For some reason I doubt that's a common practice with people hellbent on not seeing ads and not paying for the service.
Color me surprised if I'm wrong about that.
I use youtube music everyday as well as downloading videos on my phone to play without wifi. So maybe I do use some premium features, which may make me biased.
The only time I hear the blasted thing is when I don't hold the power button down long enough on my Bluetooth receiver in the car and for some reason the assistant thinks I've summoned it. Begone foul beast. You taint my vehicle with your presence.