I think that is exactly the point, that leads people to act in idiotic ways: GPS has been too damn good, so people blindly trust it, even second guessing or ignoring their own perception. The more reliable and easy to access a tool is, the more we trust it and often blindly trust it.
https://www.npr.org/2011/07/26/137646147/the-gps-a-fatally-m...
and for the way this mindset erodes values and skills:
https://www.marinecorpstimes.com/news/your-marine-corps/2018...