From this 2001 article:
Eric Horvitz... feels bad about [Microsoft Office's Clippy]... many people regard the paperclip as annoyingly over-enthusiastic, since it appears without warning and gets in the way.
To be fair, that is not Dr Horvitz's fault. Originally, he programmed the paperclip to use Bayesian decision-making techniques both to determine when to pop up, and to decide what advice to offer...
The paperclip's problem is that the algorithm... that determined when it should appear was deemed too cautious. To make the feature more prominent, a cruder non-Bayesian algorithm was substituted in the final product, so the paperclip would pop up more often.
Ever since, Dr Horvitz has wondered whether he should have fought harder to keep the original algorithm.
I, at least, found this amusing.
I think that karma is a useful feedback but only at a very approximate level. If a post is heavily upvoted or heavily downvoted it is likely to be higher quality. But this is extremely approximate. The posts I've had most upvoted are rarely what I would consider my highest quality remarks. For example, this comment was relevant but I don't see any reason why it is at +24 other than some sort of bandwagon effect.
Pff, that's nothing. Two of my highest-karma comments (try not to laugh at the totals; I'm green as grass, remember) are utterly derivative, by virtue of being simple restatements of another person's point in a slightly funnier way. Namely this and this.
It's embarrassing, frankly.