There is truth in what you say, but you catch more flies with honey than with vinegar. If the wording of your comments makes it seem like you're trolling, maybe it's time to adjust your wording?
As adestefan observes, the problem is not confined to America nowadays either.
Well that is true, I have experienced it myself now and then. However, I've discovered a special technique I use in those situations. I find it's very effective, much better than being rude. I'll let you into the secret if you like. Ready? Here it is:
As adestefan observes, the problem is not confined to America nowadays either.