The search-along-route is more of a 'search-around-my-current position'. If you e.g. need fuel, it lists options for busy towns in the wrong direction rather than the easiest path along your current route. If you need a given RON or niche fuel, you just have to memorise which suppliers sell it & hope that it shows up in the list. The utopian vision that it could figure out the range of the car it's connected to and use this information to decide where would be most efficient to fill up is a pipe dream.

Using Maps while driving for anything other than A-B navigation is generally poor. It seems designed by people who are accustomed to every destination having plentiful dedicated parking. If you want to go to B, then find local parking, you need to invoke dark voodoo.

The worst part is that the Apple & Google duopoly in maps supported by Android Auto and Apple Carplay means there's no way for a superior alternative to succeed in the market. Google even contributed to this by buying Waze. So Maps only needs to be just good enough.