In case you don’t know, Ublock origin can block JavaScript per site basis. Just hit the “more v” at the bottom
Looks like dried out ink caps maybe.
Plex will display the mixes tidal generates for you but other than that it just general popular stuff. Not necessarily what you listen too.
It also is separate button from your libraries
Yes, there should be a way for communities to federate.
Allinfosecnews.com is a great info security aggregator.