This would be an ideal support method for a lot of websites, if there was a system which made it practical to transfer small amounts of money with no more hassle than the “<website> wants to accesss <api>” browser prompts…
Heck, we’re already dealing with cookie prompts all over the web; if adding a “$0.01 per article” prompt means we can get rid of the ads and thus get rid of the cookie prompt, it’s not even a net loss for usability