no they're not?
you can make funny jokes without offending/upsetting people
Those are the kind of jokes that people say are Corny, because they are really unfunny.
Knock Knock. Who's there? To. To Who? No, To Whom.
Sure that's a funny joke but you only get one laugh out of it.
What's worse than a baby in a trashcan?
Two babies in a trashcan.
What's worse than two babies in a trashcan?
One baby in two trashcans.
See, that one is funny. But it's dark