“It turned out that the participants weren’t able to prevent any of the apps from sharing their data with other applications or the service provider.”
Aalto researchers looked at eight built-in Apple apps, including Safari, Siri, iMessage and Find My. Turning off Siri only turns off the voice control. Siri keeps collecting data from your other apps in the background. None of the test participants made it through the whole procedure. “Privacy. That’s Apple” is a slogan, not a setting.