TEPaul,
You know as well as I do that speeds of 12 are excessive at PV and NGLA.
Even the best amateurs in the country can't consistently cope with them, and this is the danger.
Clubs that others look to, have their greens running at
11-12 and all the other clubs hear about this and want to emulate them. And when they do, and members and guests complain, they're told, "PV and NGLA do it, so it must be okay"
Greens that are quick require skill to navigate, but when the greens used as the last line of defense against the ball, equipment and distance, by making them ridiculously fast, which in turn results in the restructuring the greens to accomodate the increased speeds, the golf world has lost its way.