You do get the other end of the spectrum as well though (as evident on this page) with people seemingly arguing in all seriousness that even the title he did win isn't legitimate.
Ultimately, he's Liverpool's best manager of the PL era by some distance, and has guided them to success during his time there that we're basically dreaming of at this point. However, the fanfare surrounding Liverpool sees him sometimes placed alongside the greatest ever managers, which given his record, is obviously bollocks.