I don’t disagree with your reasoning when it comes to sports stadiums. Things like school classrooms, however, are a different story. It is very easy, and hardly an inconvenience at all, for a classroom to either be peanut free or to segregate a peanut free zone when there is an allergic child.
Not so sure. When little Billy brings some peanuts from home to eat with his lunch and he gets suspended for bringing a banned substance - we will have yet another example of PC going too far and intruding into our lives.
It’s very easy for your child to wear a mask which filters airborne particulates. I keep one handy for my own medical issues. I don’t make it everyone else’s problem.