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From kingofmycastle@gmx.net:
Dark times.

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From extrememarinerfan@home.com:
The image is too hard to figure out what is happening.
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From PovRayGuy@aol.com:
Kind of hard to tell what is going on.  Great use of "grill" Lighting, but it
needs to be toned down.

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From delfeld@mailcity.com:
Nice work with the theme.  The humor does come across visually, though before
reading the explanation, it looked like a bunch of robots shooting at a wall. 
Include more of the curvature to let the image explain itself.  
(Please see the 'additional' comments, as I do not have the time left to write
individual ones.)