Maybe it's the anonymity of it all?
Sometimes it's easier to ask for help anonymously as opposed to the real world.
Maybe one day you'll be in a shitty situation and won't know who to turn to - that's when the advice of clever feckers like us will come to the fore.
On a personal level, if it wasn't for people like Mrs R I'd never have become the technological genius (and ladies man) that I am today.