I know a handful are very pro-business and pro-industry in VC:MP.
With things like the Argonath Stock Market being trialled, there should be loads of opportunity, and it's always good to keep on creating new options in the server.
Allowing players to set up their own banking systems (not that it was ever disallowed :P) would be cool. I think the one main "off putter" about this idea is that one individual/one private owner of the bank would have possibly unlimited possibilities for earning, especially as people would have to store their wealth in this one central bank - as it stands, with the points highlighted here.