I couldn’t find any analysis of autonotion, but they link to a local TV station’s site KRIS TV which does have a decent reputation

EZ Lynk is the name of the app for anyone too lazy/busy to read the article and want to know which app to uninstall.

I don’t know. One of the significant perks of meshtastic is the pseudo anonymity. Having a device locator function would break that. It wouldn’t be long after the network broke more widely than it has that a state level actor would abuse the location service.