I can tell you it took me a lot longer than 20 minutes to master working with git. Sure, you can tell someone how to clone, branch, commit and push in 20 minute

I can tell you it took me a lot longer than 20 minutes to master working with git. Sure, you can tell someone how to clone, branch, commit and push in 20 minutes, but that's not really understanding. For example, last month I was at a meetup, and had to help someone who was contributing to an open-source project. She had been following the project's instructions on using git, but was stuck. It turned out that she had hit a snag in the middle of a multi-commit patch that was applied with "git am" and as a result, her repository was in an intermediate state and the usual commit, add, reset etc. commands weren't working. I helped her back out to a clean state, but it took me several minutes of scouring documentation to do it, and I consider myself proficient with git. If I hadn't been there, I expect she would have given up on the whole thing, and all because git has some bizarre interactive processes that leave your repository unusable while in progress. I think it's undeniable that git is unfriendly and obtuse at times, and the people who think otherwise are just examining it too close. They have mastered it, they see all of the justifications for each quirk, and because of that they can't see the big picture, which is that it is extraordinarily difficult for a new programmer to pick it up and be proficient.