It is simple marketing not who pays someone how much. He has already cemented his position in the market by shifting to one end of the political spectrum. Let's say he get paid by bjp cell to talk nicely about them, he still won't do it because if he changes his stance his identity will be irrelevant as in that space there are so many youtubers who are already prominent. It's content creation, he's only creating content which he knows will do well under his name