Old jokes
Weird, I just yesterday heard a variation of that joke that's been going around my daughter's high school:
Q "Why aren't there any {insert name of supposedly lazy group here} in Star Trek"?
A "Because they don't work in the future, either."
Second joke:
Q "Why don't {ethnic group} like Tylenol?"
A "Because it's white and it works"
Yes, the bad joke is alive and kicking...