Earlier quoted context omitted.
The way it works is to have these companies hire, and pay for, and care for (see Facebook terminating counseling services, etc. for leaving content-moderation employees) employees to make the decisions to provide a platform that's safe and sane. That's it. That's literally it. That's just...it. You are ultimately correct, in that it will be of relatively higher cost. You are ultimately correct, in the sense that "any…
You speak with such confidence that YouTube is printing enough money to sustain such a massive additional cost but that's unlikely. Don't just take my word for it, the WSJ has reported on this matter [1] because Google doesn't release financial details for YouTube on its own. You've done nothing but rattle off assertions about how YouTube just so profitable and won't shut down, how there's so much money in ad-support…
And from a brand perspective? To younger people, YouTube is the part of Google that they like. It's not going away if it becomes marginally more expensive to run (and we are talking marginally. Facebook pays $28,800 a head for content moderation, and that's American employees), because all doing so does is open the door for a competitor--and while 2009-me thinks this is crazy to say, I find myself eyeing Microsoft in 2019, though Facebook is also of course a likely contestant--to come take all those eyeballs and all that analytics data.
I promise: it's okay to dare even a megacorporation to blink. We live in a society, they operate under our rules.