Some Fitbit users are getting rid of their devices due to concerns over Google's data privacy practices after the company's acquisition of Fitbit. Despite Google's assurances that it won't sell personal or health data, users are worried about the potential misuse of their data. The acquisition has sparked a perception problem for Google, with some users considering alternative fitness trackers like the Apple Watch. Google's past data privacy issues and its expansion into the healthcare industry have contributed to the mistrust.