Don't feel bad about what your parents do. You can LOVE chickens and harvest them.
There are many folks on BYC that specialize in raising meat chickens just so they can raise they own food.
Some folks have their chickens as pets and would NEVER dream of eating them.
There are other folks on here that are trying to raise show quality chickens. They end up eating their culls. . .
What we all share here is a LOVE of chickens... WELCOME aboard!