I am less concerned about the NYPD and other de jure police and sheriff departments having this, and more concerned when they get into the hands of civilians that are creepy men stalking ex-wives and underage women.
https://en.wikipedia.org/wiki/Fog_Reveal
As for randos tracking women, or anyone, this is already happening
https://www.npr.org/2022/02/18/1080944193/apple-airtags-thef...
https://www.komando.com/security-privacy/modified-airtags-us...
and trackers are a dime a dozen it seems, complete with cellular data plans
This launcher doesn't seem very capable of hitting a moving vehicle, in spite of what their marketing might imply. It would be much easier and more covert to just use an Airtag, which stalkers already do.