Who?
> Not to mention it's post-facto in that they did all of this before notifying anyone.
Isn't that pretty much the number one rule when restricting accesses? First remove accesses, then communicate?
The other people I know who had their accesses removed have resigned from RC a while ago, and the one I still see with access on https://rubygems.org/gems/bundler are people I know are currently employed or contractors.
As far as I can tell, this part of the Ruby Central statement seems to check out. Now you can of course debate whether commit rights should be limited to employees, but have have no indication that they lied here.