Deletion of Just-so story

Comment: while it's a term you hear in common speech, in discussions or in a class, is it any more encyclopaedic than "arm waving"/"arm-waving"?  What's a |reliable source for this article?  If it purports to be a scientific term, where is it used in the literature?  Its use by popularisers doesn't make it encyclopaedic - it's just a phrase in English
Stance: delete
Cited policy: Wikipedia:Reliable sources (WP:RS)