I went to the dentist recently. My teeth feel more cleansed than 1943 Germany
Is that how you feel about the Jewish community, for real?
It's just a funny pair of barbs. I don't feel that way about jews.
Jokes like that can marginalize Jews without malicious intent. Stereotypes affect how society sees a group of people.
What's wrong with that? It is no longer how it used to, people need to stop being so sensitive.
Making jokes about it is wrong though. You should not make jokes aimed at Jews, even if you do not mean it.