Thankfully, even though they're brokered, WRMI and Channel 292 have programming that's not crackpots. There's https://rnei.org/,
http://meowr.net/,
https://bluesradiointernational.net/,
and https://radiocarpathia.org/,
among others.
Check em out!
https://www.wrmi.net/
https://www.channel292.de/

Reminds me of usenet. Still there but overrun with spam and crazy talk!

I find it fun listening to shortwave stations that aren't a bunch of crazies. The other night I was listening to a recording of an old radio show from the late 30's.