So misapplying the term source and saying that one has a degree gives one enough credibility as a scholar to turn a dismissive and colloquial statement into a worthwhile contribution to a discussion about AI?
The point of sourcing your statements is to give the listener enough context to judge for themselves what your credibility is. It's not a layperson's responsibility to shut up, only to avoid misrepresenting themselves as an expert. It's the listener's responsibility to judge the credibility of those they listen to.
(Besides, my read of the comment that started this was that it's quite tongue-in-cheek. He was basically saying "Don't trust this any more than any other comment you read on the Internet.")
In this case the term "source" is obviously a rhetoric device, and we can avoid a lot of pedantry by noting that the poster was totally transparent about his reasoning thus achieving the ends we want via means that aren't awful. PS having a degree by definition implies some credibility as a scholar.
