David, thanks for the answer. Can you articulate your advantage (outside the money) on fast greens?
Confidence? Mechanics? Familiarity?
All this is assuming I'm healthy and can actually play real golf, which I haven't been able to do in well over a year, dammit:
If I'm playing a net game, I want the course to present as tough as possible. As a decent am who is in the +1 to +2 range as a very, very short-hitting senior golfer, the best part of my game is inside 120 yards -- all facets of it: Chipping, pitching, bunker play, and putting. Fast, firm greens give me a huge advantage over the average net player because they are hugely more difficult to score on for players who are not used to playing in those conditions. And for many, even if they are used to them!!
If the greens are just fast and not necessarily firm, then my advantage is not as big.
In tournament play, even though I'm a short hitter, I am by necessity a "grinder." Grinders do well in tough conditions because we
always have to grind, so we're used to it. Fast greens require plenty of grinding on the line/speed combo for both short game shots and putting. Get either one wrong and you're in trouble.
Slower greens are just much more forgiving -- no matter how much slope there is. The net player is much more apt to make par or bogey at worst on slow greens than they are on slick greens, where double and triple becomes much more of a possibility on more holes.
You asked! ;-)