Unfortunately this is not true. We stayed at All Star Sports last summer and there were so many people in the pool and on the football field being incredibly loud. I am not joking. They were yelling and screaming every night well into 2am. We called and even complained to the front desk and management along with other people. We were blown off and told that despite the posted hours and closure times listed in the resort guide upon check-in, they would not enforce and we were out of luck basically. They didn't wan to ruin the people's vacation.
I am a DVC owner and take 1-2 trips per year staying at a variety of resorts. I love WDW, but I will never return to the All Star Resorts after this experience. Management was more upset with us than the mass quantities of people being extremely loud. It really was extremely disappointing.