On a more fundamental level, most do not believe they have the choice to opt out of data collection, said Josh Golin, the executive director of the non-profit Campaign for a Commercial Free Childhood.

'I don't care': young TikTokers unfazed by US furor over data collection

...The debate over TikTok’s future has also underscored the generational divide between the lawmakers legislating technology platforms and the people who use them. For Gen Z, which has grown up on Facebook, Snapchat and Instagram, having their personal data collected is a given. TikTok in particular thrives on oversharing, with young people using music to share embarrassing stories and photos of themselves, to the tune of millions of likes and comments. “Some of you are too comfortable on here” is a common refrain in the comments of videos...

https://www.theguardian.com/technology/2020/aug/05/tiktok-gen-z-millennials-data-privacy-trump-china