YOU HAVE TO POST THE EVIDENCE TO PROVE WHAT SOMEONE SAYS IS WRONG...

Americans have been taught bad habits.

First if you are trying to win an argument with just making fun of someone, or with a personal attack (ad hominem) you have already lost.

If you say I am wrong with no reason quoting what is I stated wrong, or whatever the case may be, you cannot just say someone is this or that with no reason why, and what they said?

Moreover, if you say I am wrong about a subject you have to post the evidence, source that proves I am wrong. You cannot just say I win.