It’s worth it when you can have it (forever). There’s always some price of admission, nothing in piracy is ever really free. You can certainly circumvent any blockades with a VPN and find a way to use crypto to fund the paid plan.

Spotify streaming quality isn’t great anyway. Choose a different streaming service like Tidal which has actively maintained tools to get what you need

Some Netflix shows that are in 4K have not been showing up in private trackers lately

You should always use a VPN, doesn’t matter if the tracker is public or private. And yes, better selection, seeding requirements, and better speeds.