Private corporate codebases are a poor fit for GH because they don't benefit from public social graph effects. And the typical codebase isn't so large as to be technically challenging to deal with with OSS tools. I'd guess they make up a substantial share of revenue.

But once the reliability is called into question, self-hosted or smaller alternatives start to look good. Although there's some trickiness there if you want to be super cautious about making sure you can get to your code+infra in case of a vendor incident, especially if you're cloud based.

The next year they removed the limitation on collaborators on private repos for free users.

In the last 4 years they’ve significantly improved their project management tools. I think a lot of teams can make do with GitHub Projects, they’re pretty decent.

Who knows if any of these are directly because of Microsoft or not. But there has naturally been material improvements to GitHub in the years after being bought by Microsoft.

It provides huge value for anyone running an opensource AI generated project.