[kelnos]

Liking GH and not (currently) wanting to move doesn't mean you're not locked in. Sure, it's possible to export your GH data and import it into something like GitLab or Bitbucket, but it's not exactly an easy process, and most orgs would think really hard before moving. It's definitely lock-in, regardless of whether or not it's a part of their strategy.

From MS's side, of course it's a lock-in strategy. The whole "MS for Startups" thing is a way to attract small companies to their platform and keep them there until they've grown to a point that switching away is more work than it's worth. Adding GH Enterprise to the offering just makes it more attractive.