There's an old saying that goes something like, the lower the stakes, the more bitter and destructive the disagreement. It goes along with that old anecdote about how the disputes among people involved in volunteer organizations are more charged than in situations where money is involved.
In this case, this drama was triggered by... a one-line change to the default gitignore file.
Honest question: how popular is rbenv? Should I be using it rather than rvm? https://github.com/sstephenson/rbenv lists apparently bad things that rvm does; are those significant reasons to prefer rbenv?
I switched for a little while and ran into all sorts of path issues. As I was working through my issues, I noticed there seemed to be a lot of attitude around it and what I thought was unwarranted criticism of rvm. Soured me, and I haven't bothered with it since.
In this case, this drama was triggered by... a one-line change to the default gitignore file.