Mullvad servers have been targeted by YouTube. I’ve found consistent access with Freetube requires multi-hop using rented servers.

Depends in the VPN. I’m having to use multi-hop now with Freetube but with that turned on it is working consistently for me again.

I was a Guardian subscriber for a while until I looked at their “partners” that they were sharing my data with through the app.

What host os do you use?

There’s also the Mozilla.org Privacy Not Included report

https://foundation.mozilla.org/en/privacynotincluded/categories/cars/

They have Renault as the least creepy and Nissan as the most!

Although I found I have problems with CAPTCHA with the .onion version