My question is if these "forgiving" bows are so forgiving, why aren't they being shot more successfully against recurves and R/D's in all venues? Sure you can find exceptional individules that can shoot everthing well but on average recurves and some R/D's will be more accurate for most folks. They are different, you can't shoot a recurve the same way you do a straight limbed longbow so those that can't or won't adapt will be happier with their green willow limb.
Like James pointed out, "speed" has absolutly nothing to do with accuracy since it's the shooter who decides how "fast" his bow shoots. It's still the same bow either way. No doubt trying to shoot "faster" requires the shooter to use better form and be better skilled at tuning. Those bows won't let you get away with doing things half way.
Is more mass with a "recurve" style riser an advantage over broomstick risers? If so, who's fault is that? The bow didn't built itself. Bows are tools, nothing more, some can use certain tools better then others..O.L.