Advertising should be illegal. A good case can be made for this. A short documentary: https://m.youtube.com/watch?v=McsqJnRF_XQ
Here is an alternative Piped link(s):
https://m.piped.video/watch?v=McsqJnRF_XQ
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I'm open-source; check me out at GitHub.