Nobody's perfect. Not the companies that send us bills for nonexistent charges, and not the credit reporting agencies that put dings on our credit for not paying disputed bills. In fact, the Federal Trade Commission just settled a lawsuit against the Credit Protection Association (which sounds like a credit reporting company, but is actually a debt collection agency), claiming it violated the Fair Credit Reporting Act (FCRA).
The FCRA in intended to secure certain consumer rights to the accuracy, fairness, and privacy of their credit information. Here are your rights regarding your credit information.