Isn't charity just a business model these days? The first time I came across was about 10 or so years ago where, I think it was a 60 minutes did a report on Movember, how they have some scheme/scam where the guys who started/own the "charity" also have another company that owns the Movember brand and the charity then has to licence the brand from that company. Meaning that for every dollar donated a good portion (can't remember the exact figure) then goes straight into their pockets as license fees.
This was the trick with the Aboriginal Flag in Australia but that guy beat the odds by getting it into government. I have some suspicion that the various derivative rainbow flags are a similar structure.