Probably slightly orthogonal to your post, but @aurynn on Twitter has had some thoughts about UX in relation to open source:
https://twitter.com/aurynn/status/882411143611924480
https://twitter.com/aurynn/status/882036680869371904
Confronting, but accurate.
https://medium.com/@xpe/designing-effective-communication-67...
> Can your product provide a great user experience for the group sizes and compositions you want to support?
> Can your product maintain the tone and engagement levels you seek?