That is not proactive enforcement. Also, it has been done before, and is clearly too slow - they may arrest one or two people, while the other thousands can eas

That is not proactive enforcement. Also, it has been done before, and is clearly too slow - they may arrest one or two people, while the other thousands can easily relocate their laptops and headsets. The most effective place to stop it is at the "border", and that is what DOJ is doing here.