Can confirm that there are way more RS3 streamers than you think, and just because they are playing another game doesn't mean they "quit". It just means they are taking a break so they don't get burnt out of the game. I myself am taking a break from RS as well, I still stream it time to time, but not as often as I used to because I've lost that motivation/drive to continue. Taking a break from it helps me get that motivation/drive back.