People with allergies need to carry with them, and know how to use, treatments to protect themselves - or they will eventually die ugly deaths in public. Sorry, that's the way it is; you can't avoid peanuts always and everywhere.
Or, they can stay home. They can choose - it's a theoretically-free country.
You have never watched a 2nd grade kid have to learn to use a needle have you?
Kids are Kids, but I guess enjoying a PB&J sandwich is more important then some little kid dying.
Banning peanut butter from school is not some slippery slope nonsense, just commone sense.
Five, six, seven-year-old people are not "normal people."