I went self-hosted about a year ago (again) using ghost and commento. So far I love it. I've been writing online since the first web pages and I started blogging around 2000 or so. (I think)
The demise of blogging and the crap that is social media are both due to the same combination of two factors: zero friction to create content and instantaneous, perhaps wordwide feedback on whatever you create. Serious writing just isn't designed to work in this kind of world. You'll be drowned out by emotionally-manipulative crap and then people will build engines to churn out even more crap faster that's even more manipulative. I love the future, but my vision of the future of VR/AR/brain interfaces is something along the lines of getting instantaneously angry or sad at something and wanting to talk about it before you're even consciously aware of what you're angry or sad about. The words will come later and are besides the point. (Which is just like our brains work)
Because of many innovations, printed text is simply too easily-manipulated and dispersed by technology to survive in any fashion similar to what it used to. I don't know what the answers are, but I'm experimenting. Because of social signaling, my blog is ad, pop-up, and tracking-free. I'm mixing in new formats with weekly video called "Nerd Roundup" where I just shoot the shit about tech stuff. I tried twitch and a couple of other new delivery platforms. I do have e-publications, but I do my best to downplay the idea of anybody buying them who are not serious about the topic. In short, my current strategy, like George in that famous episode of Seinfeld [1], is take whatever most people are doing and invert it. There might be a space there to make some kind of progress. I'm not sure. It's worth trying.
I know that we need more people reasonably talking about various topics and doing so in-depth, and I know we're getting less and less of that.
1. https://www.imdb.com/title/tt0697744/