Took a bit to figure out what it was even claiming to do
When enabled your phone constantly sends e2e encrypted your location to the server where you can than access it from a webbrowser.
God no. Just take a hatchet to my battery and be done with it.
Also: Until a month or two ago, sure. But google finally got their shit together-ish and set up a tracking network the same as apple and samsung. And that is what you are sacrificing your privacy for. Yes, you give Big Tech tracking information... that they already have. In exchange you can actually have peace of mind of knowing your luggage is in the same airport or even where you parked. And you can't really self-host a crowd-sourced network.