Imagine you are bleeding out, trying to find LTE coverage so you can call for help w/ your Fenix. You open Explore on your phone, activate the LTE coverage map, and, wow, look at all the pretty colors! Then you wonder, geez, is purple better than light red? Should I crawl towards the pink, or the blue? Then you die. I note a number of the layers have all sorts of inscrutable markings and apparently no way in-app to ask what it all means. If you happen to be sitting in a cafe maybe you can search online or ask an AI and find the legends, but why are they not immediately available in-app?
Please, Garmin, think these things through. I don't care too much about the usability of chart-candy, but some of those layers could be critical during a dynamic situation. Treat those like they have to work, even if the user is tired or injured and hadn't spent two weeks trying to memorize everything about the maps and features and etc etc etc.