Why didn’t he simply produce infinite resources?

They did. Same result. It went through different experiments with varying sizes.

>or make it so people don't produce waste.

Imagine if you woke up one day and suddenly realized your asshole is gone.

Oh god, user, what are you thinking? Giving people infinite resources but a finite amount of space to live in would be like throwing infinite gasoline on a house fire and expecting that to save the building.

Probably for the same reason your mom couldn't sleep with men who weren't black, he simply didn't have any desire to.

Thanos whooped the Hulk. Thanos can clench his buttcheeks so tight that not even going subatomic will let you penetrate them. Game over, Scotty.

What if we are the mouse utopia?

space is expanding infinitely to the best of scientific knowledge.

So why didn't he just sterilize the population?

mice didn't get nor produced entertainment

Unlikely, at least here on Yea Forums we've been revolting against the mouse for a bit.