[kbenson]

From the article:

All Chinese Internet companies are compelled by the country’s National Intelligence Law to turn over any and all data that the government demands, and that power is not limited by China’s borders. Moreover, this requisition of data is not subject to warrants or courts, as is the case with U.S. government requests for data from Facebook or any other entity;

Their privacy policy notes data may be shared as well:

while TikTok claims that it is independent from ByteDance and stores data in the U.S. and Singapore, its privacy policy is clear:

"We may share your information with a parent, subsidiary, or other affiliate of our corporate group."