By the time Satoshi noted that in Bitcoin Talk he had already explained a lot and the person he was responding to (byte master) was wasting his time with dumb statements like 10 minute block times are too long and listing reasons why bitcoin wouldn’t work, a glass half empty kind of guy. 
Discussion
But see how he at least took the time to find out what one the person is before writing that?
As a stand alone quote, it's trash asf and encourages others to give folks the cold shoulder when they may be genuinely asking or curious!
Found out he just wanted to argue, I dont have time for this.
But I would argue, that without folks that want to argue and are pressuring your ideas, products, thoughs, values, etc...
How do you grow or advance?