That's a lot of effort, given how many people I am subscribed to. And I wouldn't say that it' "peanuts", after all they redistribute 55% of YouTube Premium earnings, that's a lot more than what other similar subscriptions give.
I don’t mind working to old age, as long as I can have 6 hour workdays. But let’s be reasonable, no 80 year old grandpa is going to be productive at work.