I used to self-host everything and while I never had hiccups or problems, I got tired of the additional work of maintaining a git server and moved my personal projects to github just so I don't have to deal with it. I suppose the comments are fueled by frustration and the fact that when you have something in-house, you can directly go and push the devops teams to fix it whereas github you just sit and wait. I never understood why people think that poking someone with a stick will magically speed up the fixing process but there we go...