> They also created their own init system Upstart, only to replace it with systemd later. They have their own source control system, Bazaar... their management has some serious NIH problems.

Citing these as a case of NIH is inaccurate -- Upstart and Bazaar predate Systemd and Git, respectively.

It's fairer to say that Canonical's technology, for whatever reason, often doesn't seem to catch on with the broader FOSS community.