This sets a dangerous precedent but a difficult situation indeed. If US bans applications it doesn't like then telegram could well be within its firing line. Tiktok collects information on users including keystrokes sending data back to the Chinese government, tiktok is banned in China, the better option here is education & building a competitor, after all nobody wants all their data to be stored by any government.
https://twitter.com/Breaking911/status/1291551290984747008?s=19
https://twitter.com/Breaking911/status/1291551290984747008?s=19