Originally Posted by MKRG
I think it's just because every thread in here, no matter how well intentioned, eventually degrades into a bunch of idiots speaking of idiotic things. Pie tastes good but it has nothing at all to do with cycling other than tasting good. Pie can unite and be divisive as well (see: meat pie) But since pie as a whole has nothing to do with the initial conversation it only follows that the idiots eventually speak of pie. I am an idiot.
The simplest answer is that it s a purposeless digression from the main topic that is initiated by a pure lack of something relevant to say.
I think we invented a new meaning for pie.