Some valid points.
Regarding your first example, if that's the case and you don't enjoy reading about the author's life story, then you simply would not continue reading it and move on to somebody else's content that is worthy of your time. Readers would soon tire of quantity over quality. Those producing quality hold a readers attention for a longer period of time and would be rewarded accordingly..
As for ads, the BitTube extension is an ad blocker. I haven't seen an ad in months since I began using it and I'm getting paid for it.