Our interclub league has a time limit and I hate it too! You wouldn't believe the gamesmanship that results. Our league plays a third set tie-breaker, so whoever is up by two when time runs out wins. I've seen teams who go up 4-0 in a tie break and then pull all sorts of delay tactics to run out the clock. Eyelash in the eye, tie the shoes again, "accidentally" knock a ball into adjacent courts...
That's when I have to remind myself that we are all a bunch of housewives - too many important things to get irked about.