I would say that as long as other aspects of your life don't suffer as a result of you playing games than he is in the wrong, if your grades are bad and you don't spend any time with your family or friends then he might have point. if you had your last laptop for five years it sounds like you take good care of your stuff and the argument that you needed a new because of gaming is strange, 5 years is plenty for a laptop.
I have been wondering what Brad does all day, Patrick is spiting out content left and right, Alex is putting up a lot of content mostly reviews, Vinny and Drew has a lot of stuff and Jeff is probably in meetings. I'm sure Brad does stuff, i'm just curious what it is. It's not like he wrights any reviews or editorials.