My parents wont buy a gps! help??

So my parents have a 2011 infiniti fx50 that we just got but my parents didn't get a gps! i meen wtf?? who wouldn't get a gps. my parents feel its a wasted gadget since they know where to go and every time we do go out of the state we go on a plain but still I meen who doesn't have a gps? Does anyone not use one? it would make me feel better...