I’ve eaten gristle ever since I was a kid. Chicken, Beef, Pork, all good.
It’s supposed to prevent arthritis and I’ll be 70 next week and have none!.................
I guess it’s just what you’re raised on. And what era or culture you’re from. I’ve seen old timers eat every last bit of a chicken leg, except for the bone itself, including eating the cartilage at the end of the bone. Of course, that’s gristle. My father in law was a full blood Loyal Shawnee who grew up dirt poor. He grew up eating anything that was available.