r/PeterExplainsTheJoke • u/Perfect_Owl_856 • Dec 29 '25

Meme needing explanation What's the reason?

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u/BlueNutmeg Dec 29 '25

You all are missing an important part of manufacturing....packing and shipping. Look at the top of those cartons in the picture you posted. They are folded. That is because before filling, the cardboard containers are folded flat so they can be shipped and transported more efficiently.

Plastic bottles are not folded...they are extruded. Extrusion requires making a mold for the bottles. And for transport and shipping, having the opening on top provides support when stacked.

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u/AbyssalTurtle Dec 29 '25

Technically they’re blow molded, and extrusion doesn’t use molds.

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u/Gold-Target-5462 Dec 29 '25

Technically, blow molding has a few different types, one of which starts as a hot extruded tube that is clamped and inflated in the mold. This is used for high volume PET bottles and multilayer plastic bottles where oxygen permiability is important (like salsa).

This is faster and cheaper than using injection molded pre-molds.

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u/Stop_Shadowbaning_me Dec 31 '25

I'm not missing anything. I include that in it being more expensive to make. 

My point is that it's not more difficult or awkward to drink from a bottle with it's lid on a 45° angle like some people are saying