The bots use "OCR" or optical character recognition to read the image file that is created. That is why the characters are so "randomized" and splashed with background noise. But yes some webmasters go a little overboard, after all no matter how much they try anything can be hacked... ;)
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"The object of war is not to die for your country but to make the other bastard die for his." -Patton
"Only the dead have seen the end of war." -Plato
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