A deep inspection of the TikTok platform reveals an intensive gathering of user data despite opposite claims in their policy.
source: https://www.vice.com/en/article/jgqbmk/tiktok-data-collection
archived source: https://wellthissucks.xyz/2021/01/21/tiktok-is-watching-you-even-if-you-dont-have-an-account-archived-source/