I don't think this is true. GitHub (the website) became very successful with virtually no feature overlap with the git CLI. I suppose you could say that GitHub

I don't think this is true. GitHub (the website) became very successful with virtually no feature overlap with the git CLI. I suppose you could say that GitHub pull requests and forks are a replacement for git's built-in email-based workflow, but that's not really what people complain about when they say git is hard to use (and it's not like the other DVCSes had obviously better solutions).