Really depends on the fit. If the induction pads sit on your head properly the sound is honestly better than similarly priced earbuds, with the added bonus of no occlusion sounds, which I hate. I get the best results with mine when I wear them under over-ear nose protection earmuffs. Also they can be drowned out easily by regular sounds like traffic. I took them on a flight and couldn’t hear a thing over the engine nose.
TLDR try before you buy

What do you mean, you don’t like slop?

If the games are using the music in violation of copyright and valve acquired it and is selling it, the distribution rights part of copyright law allows the copyright owner to sue anyone in the supply chain. If the music was originally licensed properly, then PRS is just looking for a settlement.

Once you purchase a legally distributed work, you are protected by the first sale doctrine, which allows you to do pretty much whatever you want with your single copy.

fungible

adjective fun·gi·ble ˈfən-jə-bəl

1: being something (such as money or a commodity) of such a nature that one part or quantity may be replaced by another equal part or quantity in paying a debt or settling an account

Cura has appimages right on their download page if you can’t be arsed to figure out pacman