I guess the whole fictional narrative that tells people since high school are completely and solely defined by their main interest, and nothing else is relevant to define his/her personality helps...
I mean, if I base the explanation on stereotypes, it would be because geeks don't like outdoors activities (because most geeky hobbies are indoors), so their are programmed to hate and segregate everything that doesn't fit their geeky tastes.
I mean, if I base the explanation on stereotypes, it would be because geeks don't like outdoors activities (because most geeky hobbies are indoors), so their are programmed to hate and segregate everything that doesn't fit their geeky tastes.