I almost exclusively play executive courses. The best times where courses are in good shape occurs before the snow birds and renters descend on us. The worst, obviously, is after they leave and many courses are closed to let them regenerate from the heavy usage.
My biggest, and only, gripe is the lack of authority all the ambassadors can or seem willing to exert. Too many Villagers ignore or get belligerent with ambassadors. I would love to see the ambassadors report the offenders to the starter's shack and have the group suspended for more egregious behavior. At the very least, they should receive a warning from the Tee Time Office that further slow play or untoward behavior can result in a suspension.