What the ICR charlatans don't tell the credulous, superstitious boobs upon whom they prey is that carbon is highly mobile in the form of CO2 (atmospheric) and/or carbonic acid (which is essentially CO2 dissolved in water), making it easy to find contamination by modern carbon in old rocks if you're looking to do so.
Your typical name-calling aside, Vade...did you read the article and what the scientist did to avoid this problem?