Just as most musicians or artists have to have a day job, so do most authors when they start. That's been true even for "political" speech: for about as long as people have had things to say, forms of self-subsidized pamphleteering have existed. In the 1990s, hobbyists were most of the web, enough to be able to kickstart a wikipedia.
Self-publishing still works today, thanks to platforms like ghost.org at $9/month that also give an onramp from free to patronage.
