They won't. Far upthread, I quoted a well-established blogger who posted a comment (or a blog, I forget) to Steemit, who explained the economics well. Bloggers go where the readers and economies-of-scale are. Medium has 25 million readers.

The hen-and-egg dilemma has to be addressed in a very well thought out way.

It is insufficient just be a good programmer and fake your way into being an experienced Internet marketer.