Treating Customers Unfairly

I went to spur for lunch with a friend of mine, month end Jan. We ordered food and drinks while busy talking & sharing ideas. i had a note pad in my hand so i started writing our ideas on it. halfway though our meal we ordered a second round of drinks. a few minutes after the drinks arrived, the manager walked to our table and started talking to us in a very rude tone. he told us that we must not hold a meeting in his restaurant as it wasn't a meeting place and that he is busy trying to run a business & cut down on the queue/ line outside. he then told us to wrap up, pay the bill & leave. we didn't even finish eating our meal & we left our drinks half full when we were presented with the bill. we payed & left. We have never been so humiliated and belittled like this before. we were just out of words & didn't believe what had just happened.