Fans of something tend to rant a lot - I do so myself, too. I guess it's because if you care about something, you want to share the experience, you want to defend it if people see it 'wrongly'. It's pretty basic sociology, too. Most group-based behaviour revolves around what bands us together and what sets us against 'the others'. As such, you pretty much have the framework of why most debating ends up as a waste of time, and also why some minor things can sometimes get blown out of proportion.
That said, I found a rant the other day I actually agreed with. I'm not entirely unbiased, of course, I am developing a fondness of Doctor Who, parti