I _feel_ as though I need those things, at any rate.
I've got a printer at home. Sister in law printed a plane ticket on it the other day, just in case there'd be an issue with her phone. Instead of "GPS device + car ride services" I've got an old-fashioned thing: a car. The car happens to have its own GPS so I can get around.
It may not suit everybody of course.
Sometimes I'll draw a little map for fun and use that instead of the phone directions, for simple things. Once I draw the map I find that I actually memorize 90% of it anyways and often don't end up looking at it.
As for car ride services, I just stopped using them except for super essential times, at which point I can pull my iPhone out of a drawer.
But that's still two devices instead of one, which ends up being more complicated, not less.