No thanks. If you need a game to be sick and twisted for you, i.e. if you think that idea would be really cool, you need help. It adds nothing to gameplay, and is just sick for sick's sake.
"OMG they should add that you can capture people in Rust and torture them!" "Wow dude what the hell is wrong with you?"
Let's see you and some buddies trapped out in the wilderness with no idea what's safe to eat and what isn't, and it's been about 4 days with no food. You'd be eating one of your own friends in a heartbeat.
Yeah I can't get on board with this. No need for an extra food source. And real people get sick when they are cannibals.
A person can eat any meat that is properly prepared, human or not. If the end-times do come, you'll be one of the first ones to go.