[londons_explore]

There isn't much lock-in yet though. If you wanted to move a project from github to gitlab, you could move the code over with a few commands. Open issues and stuff could be moved over with a script. There isn't much 'network effect' that means your project would die on other hosting.

[Klonoar]

This is classic "it could be built in a weekend" syndrome, and I think we're all intelligent enough on this site to know that it's simply not true.

Furthermore, technology isn't the lock-in - it's the network, which you can't drag as easily.