I could also build a bette place for them in their lands so they don't come to places they don't know how to integrate in. You see, the solution isn't a single thing from a single point of view.
Discussion
We could try to stop a waterfall from the bottom by tightly protecting our roofs. We could also do something on the top, or somewhere in the middle, maybe steer it somewhere else or I don't know.
But again, I totally understand your point, and just accepting more isn't helping at all.