Why do people say "needless to say"?

Question

if it is needless to say, then why are they saying it? for seriously.

Answer 1

Needless to say, this is a silly question, obviously.  Of course, that goes without saying, I need not mention.

Answer 2

doesnt you know that the kwotations should go outside of the questiioin mark?  Go BACK TO GRADE SCHOL

Answer 3

oh man! an answer to that is "NEEDLESS TO SAY" ****COME ON MAN!

Answer 4

Well, needless to say, they say to excuse themselves behand for saying something that does not need saying.

Answer 5

Cause they like to hear themselves talk?

Answer 6

They want to make sure something is as obvious to you, as it is to them. Don't be offended.

Answer 7

for the same reason american vernacular is now cursed with '...like...'

Answer 8

To get it through peoples minds and to let them know its common sense, needless you say you are not smart.