Don't even start with that "I read that as" "the hero we need" or any other reddit catchphrase bullshit. Go back to reddit if you are going to use those annoying af sayings. We don't need it here.
They were already in EU due to trading but this climate makes it much more inviting for them to settle down. Fret not it's just a bullet wound if you do get stung by it
I have considered the repercussions of importing Japanese honeybees (which are able to defend themselves against Asian hornets), but I don't know enough about bees to see if it would be a good idea.
The good thing is: They might be big but they are mainly a risk for bees. But not much is actually as obnoxious (or dangerous for humans) as the aggressive assholes that are our domestic common wasps.