I use Mullvad but still see it
Discussion
you can still block YouTube ads with Ghostery
https://www.ghostery.com/blog/is-youtube-stopping-ad-blockers
Ghostery caused other issues for me
https://protonvpn.com/ worth a try!?
been playing around running tor over it. works well. there is a difference btw paid and free though. but used their free one for years with positive results.
last resort https://pi-hole.net/