I thought about it for two seconds.

You inputted a collection of text into CF, knowing that information is stored on CF's computers. How is that NOT voluntarily handing over your work? How is that information NOT theirs, now that it is stored on their computers? You gave up any rights you had to it once you hit the "enter" key. I'd say that qualifies as consent - it's not like they hacked your hard drive.

Although, admittedly, I -would- like to see the TOS put IN-GAME and for people to have to agree to it every time they roll a character. A behavior agreement would be nice, too (even though it's redundant to the rules, forcing people to read a code of conduct every time they rolled would be a great reminder.)