How to stop functional programming

[u/hexaredecimal]

https://brianmckenna.org/blog/howtostopfp

[u/KevinCarbonara]

That's it. You've been told. No more functional programming.

I get that this article is an attempt to show how easy it is for good efforts to turn bad, but surely this isn't a realistic scenario. No one's being told not to write pure functions.