Like most people who use YouTube Music, I was grandfathered in after Google Music shut down and have YouTube premium bundled with it.
So with that, it absolutely plays when not in focus and has no ads.
That said, it absolutely is just recommending the same old things that usually show up on my playlists.
No no, Trump owes too much to Russia and the Saudi's. So he's not actually a billionaire but a desperate rat who has his debtors breathing down his neck. Therefore there is no conflict of interest!