Good point is - "it helped me get a better understanding of where I was". That's repeated by many users having the "north is up" setup.

Certainly, if you have the other setting where your arrow is following the vehicle's direction, then what you see on the map is just an extension of what your eyes see already. While it might be very helpful in specific situations like crossroads and switching lanes, in general it doesn't help much when one wants to learn how things are interrelated in space around. "North is up" gives that. Mind has amazing capabilities of learing even when busy