Perhaps you didn't catch my comment's assertions. I stated the model and approximate values I'd be willing pay, given that most creators take in in-stream paid promotions already (above and beyond YT ads) and that general YouTube ads have poor power/are garbage/have low signal to noise ratios.
I don't really care what Google attributes to YouTube indirect or direct revenue and costs on their P&L in the context of average revenue, costs, and approximate minutes streamed, since the marginal costs are ridiculously cheap.
There is a lot of value in Google adopting the first mover advantage in a Bernoulli market. I'd imagine shareholders care about that a lot.