Why operators use it
It is more than vehicle tracking. Path settings, beacon rate, symbol, comment, digipeater coverage, congestion, and messaging behavior determine whether a station helps or harms the shared channel.
Where the contact goes wrong
Using a long generic path and beaconing too often can flood the network without improving coverage; an internet map is not proof that the RF path worked as intended.
A cleaner operating method
Set a truthful call sign/SSID and symbol, use the regional recommended path, apply smart or conservative beaconing, monitor channel load, and test two-way messages rather than map appearance alone.
Use current software and radio documentation, published band plans, applicable licensing rules, and the lowest power that closes the path. A decode, map position, or automated exchange does not by itself prove end-to-end communication.