[knorker]

You can't unilaterally opt out of copyright. Not in a legal sense. In many jurisdictions not even on the creator side. E.g. Europe commonly doesn't even give creators the option to declare work "public domain". You have to be more specific than that, or it still reserves you the right to sue (and win) against any recipients.

If you want to follow Vaclav Havel's "Living in truth", then I commend you for it. But that's always a legal risk, and we're no longer talking about the law.