This person apparently has NO clue what he is talking about

Obviously the writer of this article does not have a child with a food allergy.  If he did, he wouldn't go anywhere near implying that life-threatening food allergies are because we as parents are not letting out children get dirty.

First all, speaking from experience, my daughter Amanda has grown up just like any other child - playing at parks, in sand boxes and rolling around in dirt and mud (literally).  I have never shielded her from dirt.  What I have shielded her from is peanuts and tree nuts which will send her into anaphylactic shock.  Dirt never has.   Here is the article.