Do Gamers get a bad rep?

I am now entering my late teens and am being told to 'grow up'. A word which will not become apparent to me until I have grey hair and wrinkles no longer occur from long sessions in the bath. In all seriousness, I hate the words 'grow up', especially if it comes from those who are in the same age group as myself. I believe i will be gaming in my late 60's with the Xbox 1260 or whatever monstrosity comes throughout my life span. Everyone will have to just deal with that fact.

"Myself aged 60".

Mono-Gamers and my lack of understanding.

As a gamer I always thought it was worth while to give every game I can get my hands on that looks appealing a chance, which, for the most part anyway*, worked out for the best, I feel like I have a relatively good taste in games, which gives me a good basis to form an opinion around. Recently however a new form of gamer has come to my attention, the "Mono-Gamer", 

*emphasis on for the most part, this abomination made me weep.