I'm not getting at anyone in particular, but, when you deride imports, you have to stop driving imported cars/stop eating imported food/stop going on foreign holidays/etc etc etc....the list is pretty much endless.
The best way to prevent incursion by unwanted pests is to be vigilant and work together. p-ing people off isn't the way to get their co-operation
I bet I do less air miles than your queens
Yes, pests can and do hitch a ride but far more likely to arrive on a live host. Why bring in queens from a country with SHB? Far better than saying we can control it would be to cross that country off the list.