Google gave us direct access to much of the world's knowledge base, then snatched it away capriciously and put a facsimile of it behind a algorithmic paywall that they control at the whims of their leadership, engineering, or benefactors. The despair any rational person will feel upon realizing that they lobotomized the overmind that drove Information Age society might just be traumatic enough, in aggregate, to set off a collapse. So, yes. Destruction of humanity (at least, as we know it) incoming. That's without the super AI.