Although I understand how you feel, I think OP's point was a bit more meaningful: Calling it "sanitizing" leads some programmers to try to "clean up" the input -- but instead they should contain it.
And when they try to "clean it up", they enter the realm of Falsehoods Programmers Believe About X.
e.g. http://www.kalzumeus.com/2010/06/17/falsehoods-programmers-b...