True, but Disney can certainly afford to maintain every AA they've got on a daily basis. Certain someones calling the shots, however, don't seem to think it's as much a priority as it once was.
I think they do a pretty good job. Their always seem to be AAs down for repair. I take that as they care about show. With as many AAs as the park has their is no way that they can all be in working order all the time. The park is open 365 days a year. Stuff is going to break down from time to time. I think most of the critique is surrounding Splash Mountain which they seem to not upkeep as rigorously as the other attractions. Probably due to the sheer number of AAs in that attraction. Maybe they also think that due to the pace of the logs it’s not as important as if an AA goes down in POTC for example.