Meat is one of the bigger polutters. Meat industry is subsidized by the state. Plant based diets are still cheaper. The vast majority of people still choose to eat meat and actively mock vegans. Just go look at beef (worse meat for the environment) consumption stats in the US.

That’s just one example.

People say they want change but won’t take it where they can, because deep down it’s a lie and they just want someone to fix the problem without them having to do anything.