You could do that, but then you cut a whole mode of interaction between e.g. UK parents and their kids who study or live on the continent. Either way this is a

You could do that, but then you cut a whole mode of interaction between e.g. UK parents and their kids who study or live on the continent. Either way this is a measure that (like many conservative talking points) sounds good on paper ("law and order"), but once it becomes reality it won't win you any prices, except negative ones.