Well they can, it just means that the building management needs to show that all the money they get gets reinvested in the building or put aside for repairs. Non profits are much easier to investigate than private companies because they need to be able to justify everything they spend so they don’t overcharge. If it’s a state corporation? Even better, profits get sent to the government coffers to spend on services and you’re sure that the charges are lowered the next year. That’s how our health protection works for anything related to roads where I live and there’s a pretty good reason why it’s the province where it’s the cheapest to insure a vehicle!