It sounds like "natural" just means "stuff you don't approve of". Some of your list overlaps mine, others don't. That's fine, but it's kind of a boring argument.
“Natural selection” is the process that makes something “natural”. If it hasn’t passed the test of time, it’s not natural. Which part of my list doesn’t overlap with yours? You consider Impossible Foods natural?
The only "natural" thing to eat then would be wild berries, tubers and tramplings by unruly ungulates.