^Sure it is. Being much better at one particular game could make a person prefer it, even if there are (more) objective arguments in favor of the alternative.
I mean, I'd take Melee over Brawl in a heartbeat, but there's nothing intrinsically wrong with a defensive, random engine. Maybe he's just into that sort of thing.
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Tebow to Jests?
http://24.media.tumblr.com/tumblr_m19b15IB731qzdb47o1_400.png