Part of writing for the Internet is that, even when you explicitly state that something is a “tale” which “may not be true”, there is someone waiting to crucify you because it doesn’t match their recollection.
Presumably the grandparents of these people wrote letters like,
dear cs lewis, lions can’t talk so I didn’t enjoy your narnia chronicals. Yours sincearly, little timmy. Ps my wardroab at hom has a solid back.
Persons wishing to audition for the part of the Troll must first write this entire passage on the blackboard one hundred times. (No credit for cut-and-paste.)