> Is there any chance you could start this process a little bit?  Choose
> some of the main features of RPA that are missing from RubyGems and find
> a way of integrating them?

Please make a list of features of RubyGems not present in RPA  or the
rpa-base client,   do the inverse operation and take note.

Now have a look at the codebase of both projects.

Now you understand why not.