With the increasing "wokeness" of the publishing industry, e-publishing may be the only way to publish and distribute works that are inadequately woke.
I know of some people who self-publish and promote their work on Twitter with excerpts.
There is still enough actual diversity in the publishing world that if you actually have talent you will find a publishing company who will pick you up.
At the least your stuff will be POD.
Only e-book means you just are not very good.