"Some employees switch their phones off or hide them out of fear that their location is being tracked. One current Facebook employee who recently spoke to Wired

"Some employees switch their phones off or hide them out of fear that their location is being tracked. One current Facebook employee who recently spoke to Wired asked the reporter to turn off his phone so the company would have a harder time tracking if it had been near the phones of anyone from Facebook." does this lend credence to the "your phone is listening to you and reporting back to facebook" theory?