Very odd, the American Cancer Society reportedly turned down 250 grand, apparently for no other reason than the donating org was not religious:

Now, in case you’re wondering if this is standard behavior, find someone who works as a development director for a nonprofit. Ask her what her response would be to a $250,000 matching offer from a philanthropic foundation. And ask if her organization would be drooling, celebrating wildly, and bending over backward to make it happen — or if they would be evading, delaying, dodging, deflecting, changing their stories …