So all that for a dud battery?

And who knew that it wouldn't work until the very end of the story? No one!

And who realizes the worth of an inexhaustible energy source? Everyone!

... well, almost.

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There is a sense in the fact that every message has its own reply link!

A movie like this needs a MacGuffin.

Who says it didn't work?

It might have been capable of doing everything they said, except last forever.

And even if it couldn't run forever, what would it be worth even if it could only do what they said for 10 seconds? (a lot)

my thoughts exactly loll @ the guys in the helicopter