Silent AirTag listings and online guides say silencing the speakers prevents thieves from finding them on stolen items, but privacy advocates have stalking concerns.

As a safety precaution, Apple AirTags will beep if they’re separated from their owners for a set period of time—if they’re slipped into someone’s pocket, bag, or car to stalk them, for example. But a merchant on Etsy tried to undermine this safeguard by selling modified …