No, I don’t think you have anything to worry about. I have been to indoor ranges that have rules limiting the calibers you can fire, but it does not sound like you were violating their rules. I always try to be considerate of others by following the range rules and just exercising common courtesy. Generally most people I have interactions with are also very courteous and friendly. However, there are unhappy people in this world who regrettably try to make everyone else as miserable as they are.
A major source of objection to a free economy is precisely that it ... gives people what they want instead of what a particular group thinks they ought to want. Underlying most arguments against the free market is a lack of belief in freedom itself.
- Milton Friedman