Going by your words, Google’s hiring process seems to be hurting them right now (which makes sense). But what are the benefits of hiring this way over Facebook’s style? (or rather where does centralized hiring fall short?)
I think a solution would be to let the video on the platform but display a huge yellow banner or something like Reddit's quarantine thing where it says "this video contains misinformation about Covid-19" or something more intrusive if you'd like. That way you're not necessarily compromising free speech
How are you meant to find the most obscure content? If it's obscure, it probably means it is not relevant to your search. How would a search engine like that even work?
Tweaking importance of some sites seems like a nice idea though, but it could also be a bad thing.