And there are various things one could probably do to make it not illegal but still messed up and the wrong thing to do! Like make it mandatory to check a box saying you waive your copyright for audio on a thing before you post on the forum. I think if, like some of the tech companies, you made this box really little and hard to find, most people would not change their posting behavior very much, and would now be totally legal (by assumption).
And there are various things one could probably do to make it not illegal but still messed up and the wrong thing to do! Like make it mandatory to check a box saying you waive your copyright for audio on a thing before you post on the forum. I think if, like some of the tech companies, you made this box really little and hard to find, most people would not change their posting behavior very much, and would now be totally legal (by assumption).
but it would still be a bad thing to do.