Unfortunately this financing requires a populace widely adopting cryptocurrency…making it a pipe dream for mainstream use.
Tips are generally a bad model as well, which creates an incentive for rapid and pandering work (like ad supported content).
Patreon had frankly built all of YouTube that is worth watching. I think a simple payment system using real banks can be integrated into smaller hosting services.
It’s all academic though, YouTube is unrivaled in ad revenue and helping you expand an audience.
Ages ago someone wrote a bash script that would calculate your “stallman score”, essentially checking the license of every package in your system.