The reason it's so popular and frequently used is... Because it's popular and frequently used. It's the ultimate in network effects. That being said, git is a

The reason it's so popular and frequently used is... Because it's popular and frequently used. It's the ultimate in network effects. That being said, git is a very solid system, it's just not polished very well. You could take the "plumbing" parts, throw out the "porcelain", and build an equally capable but far more usable system atop it.... Which almost nobody would use.