Let's just use your words for arguments' sake:
"If you are NOT 100% sure what you are saying to others is definitely 100% correct, please just tell others your story and let others to make their own judgement, OK?"
Using your logic, how were you so 100% sure that my answer was not correct? Shouldn't you just say " Your answer MAY not be correct"? Did you follow your own advise and use MAY (or MIGHT) instead of IS?
Yet for another argument's sake, how can you be so sure that the bank of the original poster WILL take the money back instead of MAY take the money back?
You seem to think all the banks will do the same thing. However, have you done an thorough investigation regarding this issue? You just drew the conclusion based on the fact that your bank took your money back from you. But have you asked other banks? I don't think so.
And, in this case, your bank didn't charge you. And your conclusion was? You guessed it: All the banks will not charge customers for bad checks. How do I know your conclusion? Because you said " Your answer is NOT correct". You didn't use "MAY not. So you were 100% sure about that.
But wait a second. You changed your mind. Now you are not so sure anymore and tell us that we should use "MAY"? I guess it is OK for you to contradict yourself?
You are so full of it! Dude! Get a clue!