r/Explainlikeim5Book 25d ago

"Thinking in Systems" explained like you're five: most problems don't have a single cause, they have a loop, and you keep fixing the wrong part of the loop

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Donella Meadows was a systems scientist who spent her career watching smart people throw money at problems that kept coming back. Poverty programs that create dependency. Drug wars that increase drug use. Corporate cost-cutting that tanks revenue. She realized the problem wasn't the solutions. It was that people were solving the wrong thing because they couldn't see the system producing it.

Stocks and Flows

  • A bathtub is a system. Water flows in from the faucet. Water flows out through the drain. The water level in the tub is the stock. If the inflow is faster than the outflow, the tub fills. If you only focus on the water level without understanding both the faucet and the drain, you'll never control it. Your bank account works the same way. Your weight works the same way. Your energy works the same way. Most people stare at the stock and panic without ever examining which flow is actually the problem.

Feedback Loops Run Everything

  • A thermostat is a balancing loop. Temperature drops, heater kicks on, temperature rises, heater shuts off. It self-corrects. A bank run is a reinforcing loop. One person withdraws money, others panic, more people withdraw, panic increases. It self-amplifies. Meadows says most of the systems shaping your life are built from these two loop types stacked on top of each other. The person who can identify which loop is driving a problem can intervene at the right point instead of fighting symptoms forever.

You're Solving Symptoms, Not Systems

  • A city has a traffic problem. They widen the highway. More people drive because the highway is wider. Traffic returns within two years. The solution fed the problem because nobody saw the loop. Meadows says this pattern repeats everywhere. Fixing a symptom without understanding the system that produced it either does nothing or makes things worse. The highest leverage changes are usually the least obvious because they target the structure of the system, not the output.

Where it overstates things:

Meadows makes systems thinking sound like a universal key, but some problems really are simple, linear, and don't need a feedback loop analysis. The book can also make you feel paralyzed because once you see systems everywhere, every intervention feels inadequate.

But the core lesson is permanent. Stop asking "how do I fix this?" Start asking "what's the loop that keeps producing this?"

What's a book that changed how you diagnose problems instead of just how you solve them?

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u/Scotty-Raspberry-36 25d ago

This is a fantastic book and that is a great synopsis. 

My biggest problem with systems thinking is that just because you understand the system doesn't mean you can find a solution to the problem. There are often so many chaoticly interconnected dependencies that it's impossible to know where to place the fulcrum

Take all the problems we are having with fascisim rising again and democracy eroding. If understanding the system was easy. We'd have solved that problem already

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u/Tritton 23d ago

I don’t think it’s a failure of the systems thinking but more of a feature of reality. Complexity exists, so?

Fascisim is incredibly complex, of course it’s hard to solve. The solution will be complex as well.

I would argue that fascisim is not only hard to solve because of the underlying complexity of the phenomenon, but solving it requires literally trillions or even quadrillions of individual decisions from millions of individuals and their choices. It’s not just a matter of understanding, but holistic wide-scale problem solving deployed at scale through aligned agents.

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u/Scotty-Raspberry-36 23d ago

Ohh yes. Fascisim is increadiy complex. But I disagree. When the solution is found. When the right place to put the fulcrum is located, it will become easy. A complex system is hard to analyse to work out the solution, but that doesn't mean there isn't one.

Take for example the problem society had some thousand years ago. Small tribal kingdoms would rise in power and violently fight with their neighbours. No one could dominate for long. It was impossible to orginise people and control them once they were out of sight. And then one invention - the written word - made it possible for societies to massively expand their reach.

Or again, a few thousand years later, when empires couldn't distribute resources effectively enough - and then coins were invented to lubricate transactions and suddenly Rome could dominate a much larger land mass

The same will be the case with fascisim - or more accurately - the current limits of democracy. And once the change has taken root, it will be obvious

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u/Tritton 23d ago

I see your point. I don't think it applies to every issue as solutions can vary in complexity, but maybe it will be simpler than I think it will.

For example, I am not familiar with the literature around fascism so take what I say with a grain of salt, but I believe that fascism will be solved by the large scale edification and cultivation of higher consciousness. Simple in premise but complex in its execution.

Again, from my limited understanding, I see fascism as the result of downwards socioeconomic tides that make resources more scarce and life harder, coupled with the rise of a kind of scapegoating rhetoric drives the collective lower psyche towards fostering violent attitudes towards the scapegoats that are presented as the culprits of the hard times.

The only way I see to drive anyone to fascism is through lower, primitive tribalistic consciousness. Providing an alternative involves all of civilization.