Exactly what kind of discussion were you hoping for here? We have a number of individuals frequenting this site with the skills to comment on this at a technical level, but they probably have other things to do then to show up for every story that hits the frontpage of HN and requires someone of their skillset to have a competent discussion of the technical details...
> they can use git like all the cool ruby hackers.
Though git has become widely accepted by the Ruby community, it was created by kernel hackers. Is Linus Torvalds now a 'hipster Ruby hacker' or can we elevate the level of discussion here above name-calling?
It also seems like you've missed comments like this: https://news.ycombinator.com/item?id=8021965