Earlier quoted context omitted.
That only works if all your "bubbles" are palatable bubbles. What advertiser is going to want to advertise in front of ISIS/Neo-Nazi videos?
Why, the store that sells Nazi paraphernalia on Amazon, of course. People who sell NAZI books. Jokes aside, why does it matter that Advertisers are not choosing certain 'unpalatable' bubbles to not be associated with those channels, that's perfectly fine. You seem to be concerned about extremist videos making money, I don't care about that at all. I just want all videos to be available unless legal system demands its…
2. YouTube recoups the cost and makes a tidy profit from ad revenue.
3. Videos you can't put ads in front of can't be monetized.
4. Videos that can't be monetized still cost YouTube to process, host and serve.
5. As such, every non-monetizable video hurts YouTube's bottom line.
6. Why would YouTube want that?