Did Twitter[0] kill RSS or is that mode of expression not conducive for it?
Evan Williams (Blogger Founder, RSS -> Twitter co-founder, No-RSS -> Medium founder, RSS[1]) has explored many of these modalities. He probably decided Twitter didn't need RSS.
Maybe we're all learning about the health of certain forms of discourse?
https://help.medium.com/hc/en-us/articles/214874118-RSS-feed...
[0]: https://help.medium.com/hc/en-us/articles/214874118-RSS-feed... [1]: I lack faith in Facebook given Zuckerberg's historic lack of an ethical compass.