Earlier quoted context omitted.
Well, however, we can argue here that a pre-print is not of the same quality as a published work. Not that published works cannot have errors (and be retracted), but at least they have passed a first-level scrutiny of an editorial board.
It is pretty controversial. The value of peer review has never really been demonstrated and despite peer review, the median scientific paper is wrong.
Peer-reviewing has a lot of weak points, but saying that pre-print is the answer to them all is plainly wrong.