I believe the joke is about him complaining about Fedora, then switching to Ubuntu and now announcing that he's leaving Linux world a day later because of Canon

I believe the joke is about him complaining about Fedora, then switching to Ubuntu and now announcing that he's leaving Linux world a day later because of Canonical. See his last few posts https://plus.google.com/111104121194250082892/posts https://plus.google.com/111104121194250082892/posts