You'd have to assume history is actually deleted and not just simply hidden from the user. Pretty high bar to pass given it's Google.

I personally don't care for better recommendations. I just need a functional subscription/notification system and much much better search.

You'd also have to trust that YT doesn't track you in the incognito window, given that it's still pretty easy to identify an user and you're also most likely using Google's own browser to hide.

If you really don't want to be tracked by Google, you should probably consider not using their services.

Lol how cute people think deleting watch history has any real effect.

Also cute these people think using incognito does anything to stop Google from tying the traffic back to them. They already finger print you off hundreds of parameters. Hell most people are literally using their web browser.