On the other hand, using this as a baseline and evolve from there will save a lot of time. I mean git conventions are starting to sound a bit like tabs vs spaces, just with a lot more options.

Pick a standard example, go with that, evolve. Same with e.g. processes, pick e.g. scrum, do it by the book at first, evolve.

I've started at half a dozen projects and every time a huge amount of time is being spent (wasted) on reinventing the wheel, be it processes, version control, code style, etc.