I think it is about where on the powerful friends totem pole that Fazio was sitting at the time the members started deliberating more seriously about Tiger proofing their course. So in about 1998, they looked around, in their social circles and didn't find Tom Doak, Ron Forse, or others of restoration faithfulness ilk, or even Bill and Ben (although I wouldn't be surprised if they were asked and declined), and found Tom Fazio sitting among the strata of folk that run in their circles. Obviously, looking in those circles would have also found Jack and Arnie. But, in 1998 or so when the real Tiger proofing entered the equation, Fazio was already the top prefered archie of the elete set, including the Merion board.