My understanding is that `git history` was started after seeing jj, yes. I don't have a citation for you though, I could be wrong, that's just what I remember.
> “That moment when you realize that a tool simply fixes all the UI issues that you had and that you have been developing for the last 20 years was not exactly great." He had two options: despair or learn from the competition. He chose to learn from it.
> “That moment when you realize that a tool simply fixes all the UI issues that you had and that you have been developing for the last 20 years was not exactly great." He had two options: despair or learn from the competition. He chose to learn from it.
https://lwn.net/Articles/1057561/ which goes on to explain that this was the motivation for git history.