Why? As obnoxious as it is, it was immediately clear to me that this system relies on crowd-sourced self-reported health data to help others assess risk. As far as analogies go, it served its purpose.
Well, FWIW I read it as "an app to get directions to coronavirus".
Waze started out as a crowdsourced police avoidance app for drivers, which is a closer fit to the analogy.