I have it that way on desktop and just changed my setting on mobile, I didn't know I could do that without logging in. On desktop YT keeps watch history even if you tell YT not to, recommendations being relevant gives it away.
"So we pray unto the holy beings that this child may not lose their way. For which many forsaken paths they may tred, nor what trends they may trod upon, that they alight on lightened road and partake only within golden rays."
"Also, just, like...ignore that 3am Pokemon rabbit ahem hole I went down when overtired."