Both are just fancy wrappers and tools built around GIT. It's not surprising that one looks like the other. Given historic exoduses from one, it's only logical the other would build a similar toolset with the intention of allow for easy migrations between platforms.

While similar, the companies are different in the approaches, the platforms are different in their pricing (both having impacted the other which ultimately has helped consumers).

Your argument would hold true of any word processor. I think it's an unfair assessment of two products targeting the same specific users.