Having finally reached Level 60 Cambrian Classic, the Omnipotent Cambrian decides to take a vacation.
"Now do I do now?"
"What do you mean, me? Now I can finally play the game."
"Now do I do now?"
"What do you mean, me? Now I can finally play the game."
...or the countless authors who write Worm stuff, more practically. Rule 8 isn't so restrictive as to make it impossible, and I've got away with stuff that skirts the line. I think it's more about whether you make your story a soapbox, and having stuff be character opinions/thoughts gives you a lot of leeway. (Saying a character has X opinion is just a statement of fact, right?)