Exactly. If it were just a model, you wouldn't need to ask the cartel to authorize a different price. A model supplier doesn't really care if you use it or no

Exactly. If it were just a model, you wouldn't need to ask the cartel to authorize a different price. A model supplier doesn't really care if you use it or not, just that you buy it. But landlords (generally larger owners or operators of large multi-family projects) are paying high fees to the software provider previously because they think it gives them plausible deniability about the cartel behavior.