As I understand it, Tiktok changed their practices a few years ago. This fine is just for what their practices were before that, and the prosecution just took a few years to resolve.
> TikTok said the investigation looked at the company’s privacy setup between 31 July and 31 December 2020 and said it had addressed the problems raised by the inquiry. All existing and new TikTok accounts for 13- to 15-year-olds have been set to private – meaning only people approved by the user can view their content – by default since 2021.
