The difference between the calories an animal consumes vs the amount that animal provides to us is huge. If we converted the animal feed to direct food production we would not have ‘food insecurity’.

https://awellfedworld.org/feed-ratios/ has sources, if you actually care to learn rather than talking from your armchair.

And yes consumers absolutely should have some blame in climate change. Corporations don’t pollute for fun, they do it for profit. It’s way easier for us to point fingers and continue to do fuck all while the planet burns.