As soon as you start trusting a vandalism detector over manual monitoring a lot of stuff will start to slip through, gets through the news, then the detector won't be trusted any longer. It will have a short life but will be interesting to watch.
Sew m@ny things that can bee done to bypass mechanisms. Even simple euphemisms like cleaning the old rifle http://images.clipartof.com/small/5039-Man-Cleaning-Inside-The-Barrel-Of-His-Unloaded-Rifle-Gun-Clipart.jpg
Why do you assume the word arrangement is a problem?
>> I wonder what his motivation for lying like about it was
The same motivation you had for that grammatical error: stupidity. Nothing personal, it's just an analogy.
FORTRAN is not a flower but a weed -- it is hardy, occasionally blooms, and grows in every computer. -- A.J. Perlis