Eh, why not? At my store there are more than just a few of the GS that have an iPhone of their own. Furthermore, the service plan that'll be offered with the iPhone doesn't directly deal with GS to fix it, they may glance at it to diagnose sure, but then the phone is sent out to a separate third-party organization that fixes all the phones Best Buy covers under its service plan.You may want to check your CC rules. Most CC companies cover everything that the Best Buy warranty covers. And get this.. FOR FREE! Most double the initial manufacturers warranty.
Just an example.
Hell would I hand my iPhone over to a Geek Squad member and expect him to know anything about it.