>Guess what, those who believe that bugs are the answer. Bugs eat plants. Bugs don't burp, but to grow insects at scale, the plants need to be processed and brought to them. Guess what that means? Burning fossil fuels in transportation.

>Cows, on the other hand, can feed on grassland.

That's a feature, not a bug (hah) for them.

As you point out, bug farming requires a large number of inputs and a complicated process. This makes it highly amenable to centralisation & control.

Whilst modern livestock farming is similar in complexity, in theory, it can go back to having more decentralised inputs, with a drawback of lower yield.