I think a very large part of the problem is buying anything that one thinks of as a "product." If you can avoid "products" and corporations to the fullest extent possible, you are probably doing a better service for the animals.
Fake burgers: make your own from beans, vegetables, bulk grains, mix and grind in the food processor, shape into patties, fry.
Fake milks: make your own from nuts, beans, grains.
Fake cheeses: make your own from nuts, seeds
It becomes a habit and a preference after a while.