To be fair, if you read the rest of the article then it's actually not at all negative about PoS. It even speaks quite positively about it in the "Motivation for Proof of Stake" section. That one sentence stands out and isn't really expanded upon, as it only appears to have been added in the most recent edit.
Seeing Luke-Jr as one of the contributors to an article is enough to trash it without reading.
He only made one edit though. Most of the article was written by Cunicula who was one of the earliest pioneers of proof of stake.