The girl with the bat is trying to try. It's symbolic defiance, not a proper response to a humanity-threatening calamity. Granted defiance is a better attitude than the attitudes of the people shivering in fear, praying, smiling and holding up "Welcome to Earth!" signs, looting and pillaging, sitting around mellow-ly and talking and doing nothing, and standing in lines and holding hands. But that girl is still going to die and so will the rest of humanity.
Maybe you can argue that she doesn't know it won't work, but there are kinds of virtue a rationalist should not aspire to, and that includes the kind that you can only have by being ignorant of things.
She's a reality warper - thus, taking action that appears pointless to the uninformed observer (such as yourself), but is in fact an extremely effective method of saving the world.
Not sure if that's the intention in linking to it, but...
Rationality quotes time!
The usual rules: