Longo, in my opinion, is just another mediocre college-level strength coach. That doesn't mean I blame him for anything. 99% of college strength coaches are mediocre. But we should not expect to gain any sort of competitive advantage over other programs based on dramatic player development under Longo.
(And in case it needs to be said, I'm not implying I could do a better job than Longo. But I've worked and talked with guys who could.)