Energy policy is set by governments, which makes it a part of the political sphere

Veganism is an individual choice, and individual choices are generally pushed by culture

Of course culture and politics influence each other in a myriad of ways, but when people start to try and push individual choices like being vegan into the political space it is never very popular

I personally would fight tooth and nail to prevent veganism from becoming a law in my country. Failing that I would immediately make plans to move somewhere else.

That's not something most countries want