Fwiw - paying for YouTube premium removes all ads from all devices and I see it as a strong vote in favor of subscriptions that do so. But, yes, it’s nearly unwatchable in its free state.
Do not subscribe to YouTube Premium. The whole thing just makes the problem worse by still allowing ads and requiring you to log in using an account that is also tied to your real world identity (for payment processing). You just end up giving more data points to Google to track and don't get rid of all ads.