You cannot discredit his statement because its an opinion, then immediately follow up with your own opinion and try to pass it as fact. Your opinion is they cater to casual players. There are many threads that say this. There are also many threads that they have tried to cater too much to MLG. Those are also opinions. I won't say which one I think is closer to the truth just to keep what I'm staying in perspective.
Anyhow, there's only one thing that makes someone play a certain way, and that thing is between the controller and the couch. People will make whatever excuse they want to justify it. But in the end Its all a choice.