I'm in the same boat. Recently quit LinkedIn too and am working on my github.io page for people to contact me for potential opportunities. Have no idea if it'll work out or not, in the long run but tbh, I feel a lot better not being on these sites than vice-versa. Just my 2c :)
You know what..when you put it like that you make a lot of sense. I too get most of my reading done this way. Through cross-posting on HN or /r/ or mastodon.
Bashing medium is cool and all but why not present some alternatives.
I clicked on it actually expecting some random article about "hey check out this cool open-source _built_in_some_hipster_language_ blogging _buzzword_ _buzzword_ platform I've built"..
I always made fun of php. No reason, I've never truly worked with it in depth and I'm also not the best JS dev. I never attacked a person for writing php I just mocked php itself. Even so, this made me feel bad and I'm going to change my attitude. Nobody should feel bad for doing something they enjoy. <3