They can literally just approach any US based social media and pay to access their data.
If there is a threat it is Tiktok dumbing down people who use it. The amount of misinformation is staggering not to mention getting it users addicted to quick meaningless videos.
I cringe everytime I see Tiktok or Youtube shorts. It is like they are designed for goldfish brains to watch with no long-term memory or critical thinking whatsoever.