People just try to look pro by wearing them over...Underneath
All I see is an oval with a curvy thing coming off one side.
The underlying premise of this thread is wrong though. Train wrecks do happen in other forums besides technical.
Plus outside of skiing there's tons of topics. I've been told marshal arts discussions get worse than skiing technical discussions in arguing over minutiae.
Well, still closer than the common "marital arts" typo. Which always elicits a chuckle.