For every dog lover falsely claiming their pet is an “emotional support animal” in order to get special treatment there is a dog disliker falsely claiming (or perhaps grossly exaggerating) “allergies” and the result for both is the same: no one believes someone actually has a support dog and no one believes someone actually has severe dog allergies. If everyone was truthful and didn’t seek special treatment both situations would be rare, easily handled, and a complete non-issue entirely unworthy of discussion.