Originally Posted by RANDY IN INDY
I think that nails it. When folks make statements with such confidence and certainty, they set themselves up for ridicule when they are wrong.
Conversations go much better when softened with words and phrases such as:
In my opinion
I'm not 100% sure
I could be wrong
It's just more social and polite, it's easier to read, and when wrong (happens to me a lot) people go easier on me.