Most servers are not able to access the Google API.
Invidious report of the same(ish) problem: https://github.com/iv-org/invidious/issues/4045#issuecomment-1674373088
They still have valuable data, they collect how interesting something is, so you’re even contributing to the algorithm and you essentially advertise videos you’re watching to other users with similar interests on the platform. People without adblock will come plenty.
That ad blocking on Youtube makes you a worthless user for anyone on there is just not true.