What is it with people who say, and tell people to get a life or to get a clue ?

Question

why do we need these impolite remarks.

Answer 1

Of all of the cliches in the English language that are overused, especially by adolescents, "get a life" is the most abused, and it just needs to just stop.  "Get a clue" is the next worst one...and the 3d one? A tie between "Duh?!?" and  "It's sooo obvious."  Obvious to whom, I wonder?

Answer 2

Depending on the nature of the conversation, people usually say those remarks because generally the other person was being ignorant first or just not listening. I wouldn't take it too seriously, there are much worse comments out there that could be said.