They became more focused on the tech than the human beings that the tech is supposed to serve. The very thing they used to differentiate themselves got turned on the head, somehow.
Specifically the tech "invented here" is now more important than what makes Linux better for regular people.
Personally I was annoyed that they spent resources on Unity instead of making Gnome better, but ok. Many liked Unity. Then there was Mir instead of Wayland, Upstart instead of systemd, and now Snap.
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