Giant Hornets..... Again

[MrILoveTheAnts]

I am so tired of seeing this video on documentaries.
http://www.filecabi.net/video/hornets-bees16.html

Is it really so hard for these beekeepers to put a screen on the front of their hive?
Sure a few thousand workers die but the queen and brood are safe. The screen would be the equivalent of a queen extractor for the entrance.