Given the "entitled customer" incidents I've experienced, seen, and heard about, "scheduled maintenance" sounds intentional and like something "you shouldn't be

Given the "entitled customer" incidents I've experienced, seen, and heard about, "scheduled maintenance" sounds intentional and like something "you shouldn't be doing when I want my ice cream", where "broken" sounds like something the guy behind the counter can't help. I'd be willing to bet that "broken" is just less likely to start a fight with an enraged customer whose day was very slightly inconvenienced by their inability to consume extra junk food.