I discovered an exception to Rule #2 (the 'creators don't care about your ship war' rule). It amused me, so I thought we might start a post for:

DOCUMENTED EXCEPTIONS TO RULE #2:

The Justice League and Justice League Unlimited TV shows - there's stuff on the DVDs where the writers admit to doing a certain number of things just to mess with the shippers. In fact, they actually use the word 'shippers'.