2008/4/30 Chris Howie cdhowie@gmail.com:
Should be, but in reality is more necessary than we'd like. There is some vandalism that is common (name-calling, intentionally erroneous altering of numbers, etc) and some that is more sneaky.
Incidentally, I'm not sure that erroneous alteration of numbers is actually all that common. I mean, leaving aside the likes of changing the population of Anytown, KS, to read "eleventy billion", I don't think I've ever seen much of the standard "switch two plausible dates around" type.
(And, for that matter, about half of the times it transpires to be a well-meaning correction based on a misunderstanding...)