[tracy]

"Offensive Material: Link may contian offensive content such as references to religion, abortion, 9-11, or the devil."

First of all, there is a spelling mistake. Secondly, how is religion, 9-11 or the devil offensive? You may think it's an ironic joke, but most people won't get the joke, and frankly, it's not that funny. So if I were you, I'd not try to joke on that page, but give examples that genuinely describe what could be offensive.

All the same, it's a really great service, and I think it will be big.

[gaius]

Maybe controversial instead of offensive.

[dandelany]

I don't think this is a joke. Essentially, he means "content such as offensive references to religion, abortion, 9-11, or the devil." The topics themselves are not offensive, but it's easy to talk about them offensively.