

The headlines leave out the part where this is a requirement of their security clearance. It is not uncommon for those holding a security clearance to be discouraged or prohibited from relationships with foreign nationals. It also isn’t a direct prohibition, it would just result in a loss of their clearance, and you are absolutely correct that this will result in more leverage against US personnel.
I’ll buy a switch 2 when there is a new Zelda game to play on it.