[perlgeek]

It does limit options.

Some wealthy Chinese like to send their children to the US or Europe for University; if he does, he certainly cannot visit them, without the risk of getting arrested.

The US has been doing such things in the past, for example against "cyber" criminals in Russian and other "bullet proof" jurisdictions. Once in a while, they catch somebody who is on vacation in a country that does extradite to the US. It's a long game.