Where are you getting the information that YT doesn’t pay out creators for Premium views?
Google claims they do. https://support.google.com/youtube/answer/7060016?hl=en#:~:text=How YouTube Premium supports creators,monthly membership fee with creators.
A search over Reddit would indicate creators actually make more money from premium views than regular ones, but that’s hearsay.
The nature of Signal being end-to-end encrypted by default without any third party in the middle does add some limitations for the desktop app. I do wish I could insert a fucking GIF though.