All companies enshittify themselves eventually, and the fact that those that were trying to fight it within the company were still getting shit on from within and from outside the company only hastened its fall by just removing them as a deciding factor through sheer pressure. Google really isn't as dystopian as people put it as - for one, it's too incompetent at starting and sticking to new ventures.
As it continues falling and eventually the traditional competitors overtake it, I think it will become apparent what a truly dystopian megacorporation actually is before Google completely becomes anything remotely close to it - Microsoft would have reached that line if they had successfully been able to sneak in Recall. DuckDuckGo fell when Bing did, smoke and mirrors... Google is pretty bad right now, just not what I would call a dystopic megacorp.