It's not always a legitimate answer either. It's more like "yes, he/she friendzoned you" without an explanation or why the person thinks so, it's just an answer even when the question says "if yes, explain why you think so."
or when people answer anonymously and just put a**hole answers to look like complete trolls. I find it really annoying. Or when people just come onto your question and give you an answer, non anonymously, and look like a smart a** or a d-bag.
There are times when one line is an apt answer for a very lengthy question too, I do that many times when warranted
Yes there are those who'd answer with one word or more just for the sake of earning points. The BA/MH has that point right that Xpers here translate to currency no matter how little or more is a matter of perception and requirement.
Yes there are those who'd just answer just for letting out steam and / or just troll around.