It seems complex to maintain it as a graphic. It would seem simpler to maintain in it as a few simple charts in a wikipost added to this thread, no? Then it would be easy for most FlyerTalk members (one with sufficient history to edit FT wikiposts) to edit as needed.

And just think of all the changes that will be needed if the merger of Starwood with Marriott goes through and/or if BMO/Harris reopens applications for Diners Club (which has its own Club Rewards program) again.