In the time it took you to type your comment, you could have had a BB account registered, and in the time it takes to reply to my comment, you could have installed your SSH keys and had the same basic workflow set up.
People's unwillingness to explore alternatives for the most superficial of reasons are how monopolies are started and perpetuated.
Some day, Github is going to be acquired or taken over by advertisers or something, life is going to start sucking, and people will put up with it for the same reason they put up with Facebook.