I always thought that you don't capitalise because it denotes shouting and anger as how rude is that to walk into a room and go...
HEY GUYS! CHECK THIS OUT!
... rather than it hurting your eyes!
CB
But I'm just a double poster who can't believe the length of your rules mission statement... there's nothing about breathing is there? How about passing wind... am I still safe to do that whilst posting?
(and I am joking btw... but I do think its a tad OTT... but if it rocks your Oddworld then you're the boss! Boss!)