I have two separate accounts which I switch between, they make it easy with the “switch accounts” feature.

In one I watch movies and other pointless timepass, in the other topics of intellectual curiosity.

It is insightful to see how various habits influence the suggestions, and how much of the similar garbage appears.

I also find that closing the browser or app clears the cache deck and repopulates it. When I’m doomscrolling and notice the exact same selection reordered, I close it and reopen and find some modified assortments.

I just set my add blocker to stop suggestions.

if you're logged out of YouTube you get exposed to logged-out-of-youtube-core content. This is the content that is most addictive, brainrotting, and profitable to the billionaires with a stake in the situation. Just how it is.