Sure, but if 6000 employees decide to not eat 6000 chicken legs on a single day, that doesn't count as saving 6000 chickens. The only difference would be a sharp rise in price for chicken wheelchairs.
Well duh, chickens have two legs. You just take one leg off and then wait for it to grow back before you chop it off again. So really, to have 6000 chicken legs, you need anywhere between 1-6000 chickens.
Do they only chop the right legs off of chickens, wait for the regrowth, then chop the right leg off again? Have I never had a left chicken leg before in my life?
You probably eat a part of an animal and a half per day.