Report Offensive Message

In my experience, style #1 is a direct reaction to being blindsided by people who are (often) less intelligent and who react to otherwise brief technical emails with snide remarks and a tons of vague followup questions. I try to be thorough to avoid the inevitable baiting I receive when I don'y

#2 & #3 are often the style of those same baiters.

#4. rare. SO rare in fact that I hardly pay it any attention. Admittedly, sometimes I'll send one that has a bit of formatting, even way too much if they've pissed me off. (see #2 & #3)