I get the frustration. It could have a tutorial / wizard to make it easier to set and understand.

If some parts are not loading, check the top left of the address bar for some icons, by default LibreWolf blocks canvas and anything that can identify you, and you have to press on them to allow them to render the elements.

Security unfortunately implies more inconvenience, which is what companies like Google love, but if it was a lot friendlier it would probably be less safe.

Or better yet LibreWolf

Newpipe and Grayjay are great options!

In case you are considering purchasing a BMW here are the models mentioned in the article:

BMW says the feature is available on suitably equipped cars built after July 2020 and running BMW Operating System 7, 8, 8.5, 9, or X