It’s not going to do anything useful against cars, let alone buildings. It would blind people, and that would be bad, but it’s a very expensive way to hurt people. I think this one is for what it says it’s for.
"It's a very expensive way to hurt people" has historically never been a real deterrent to motivated nation states to bring costs down
"It's a very expensive way to hurt people" has historically never been a real deterrent to motivated nation states to bring costs down