If you don’t use an account you can create a fresh container every once in a while and start the game anew and you can choose to not associate it all with your identity.
You can ‘pause history’ which means ‘If you turn off your YouTube watch history and have no significant prior watch history, YouTube features that rely on your watch history to give video recommendations, like recommendations on the YouTube homepage, are removed.’ it doesn’t mean they don’t store it.
Google stores everything and deletes nothing. If you don’t want Google to keep track of information, you have to make sure they don’t have it and never get it.
This would be a clear GDPR violation. This isn't the 2000s or 2010s any more.
Because what happens over time is that some new feature or service comes along that you have to also opt out of.
even if you uninstall, remove from history in the app, and remove from Google account history, future API calls reflect that you've installed the app before.
If you're talking about them building a secret extra profile about you with those things turned off, then they wouldn't need you to login for that.