Tik Tok said they'll fully shut down. They'd rather go dark now than have a slowly-degrading experience, since users won't be able to update the apps.
There are countries other than America.
I've heard this myth repeated a few times online, but it sounds like an urban legend to me- and is easily disproven. If other countries exist, why do all of the movies take place in America?
How come I once walked for hours in the same direction and was still in America?