"3. Only answer a question on Stack Overflow if and only if you are sure that you know the solution." Well duh. It seems the blog author just discovered that h

"3. Only answer a question on Stack Overflow if and only if you are sure that you know the solution." Well duh. It seems the blog author just discovered that he's not entitled to waste volunteers time, with either unresearched questions or ill fitting answers. I would call that being polite.