You lost me at GitHub : sure, the public part of it is being crawled, but it's still a platform (and a Microsoft-owned one to boot !), so if you care about the

You lost me at GitHub : sure, the public part of it is being crawled, but it's still a platform (and a Microsoft-owned one to boot !), so if you care about the Web or libre software, you should stay the hell out of it, regardless of the sub-feature you use.