Yes on game boards and most social boards. Otherwise, meh. Sexuality is a natural part of human emotion and evolution. Should it be restricted to certain boards? Absolutely. Should those boards be 18+? Absolutely. Should CE be one of them? Not my place to decide, I'd say that should have come down to a community vote.
Anyways, hornyposting has no place on a video game message board, so I understand the rule. I'm going to continue to mock it though until they clarify everything about it. Leaving it deliberately vague is obnoxious and likely to result in unfair moderations. We already had an instance where a moderator said that posting fully clothed persons for the sake of appreciating them was fine, then another moderator modded that thread and said that posting pictures of people for that purpose was objectification.
It's not like it matters, though. I'm pretty certain they just want these boards to go away. I'm personally curious how long we're going to be allowed to openly share our views and opinions about these things before it becomes moddable.
There's a time and place for everything... but not now.