The ‘Geek Squad’ doesn’t actually make ‘tons of money’, and there’s no actual requirement to be a geek in order to work for them.
The dipshit uniform and the trading in on the ‘geek’ name seems to make a ton of money for Best Buy, but it has little to do with real-world geeks.
If you absolutely need an example of geek, take a look at the Milo and Teddy characters in Antitrust. Geek girls are just like that, except we have tits.