回复：你告他们什么?要他们道歉?

The thing is that once they reported for collection, we got a mark on our credit report. Whne you apply for credit card or loans in ther future, you may get rejected or higher interest rate.

I totally agree with you about it is not worth getting mad with them. But i hate those companies. They made mistakes and just report you to collection like it is no big deal.