Lack of evidence is not a valid argument.
Excuse me?
"One or Two" is a really awful statistical claim.
You do realize what Hasty Generalization IS right?
It's when the person takes a ridiculously small sample from a large group and bases his decision on the entire group from the small sample.
By saying that only one or two people do that, it proves that his decision on our entire group was based on a small sample of people. If you need any more proof, I have never done that before. Therefore his statement that we all do is automatically falsified.