We were on vacation in a part of the country we are not very familiar with and relied on Google Maps to tell us the way. On the last leg of the trip back home there were two routes, one were significantly faster, so we chose that and ended up driving several miles over a mountain on gravel roads. Luckily it was mostly in good condition. :-)
It was worse when Google Maps tried routing us around traffic by sending us off the highway and down on narrow roads through neighbourhoods and side roads. Poor people living there suddenly had a main road along their homes. This kind of thing should be regulated.
I was on vacation in Utah last week with some friends, we missed our turn onto the gravel road our rented cabin was on. My friend was using Google Maps to navigate and said "oh, Google says you can just take the next turn rather than turning around" - the "next turn" seemed fine at first and then after it was too late to back out (no way to turn around), it became a rocky, rutted forest road. Even though we had a 4x4, it was the most terrified I've been in a vehicle in 25 years or so. When I checked Apple Maps later, it didn't even show that as a navigable route.
Anecdotally, a friend of mine in Oklahoma says he never uses Google Maps to navigate because it has a bad habit of trying to route him down unimproved ranch roads of dubious quality.
Personally, I usually prefer Apple Maps since it plays nicer with CarPlay, and while Ohio has fewer roads of dubious quality like that, my experience left me much less trusting of GMaps.
It was worse when Google Maps tried routing us around traffic by sending us off the highway and down on narrow roads through neighbourhoods and side roads. Poor people living there suddenly had a main road along their homes. This kind of thing should be regulated.