Rêve's general rule of thumb is to not interfere with the worlds he ends up in. Sometimes, though, things get a little out of hand. And then people end up dead. Oh well! It's not as if the footage will even make him less of an enigma.
Art (c) ThatWickedSmile
Link
TheScalyBard
Look at it this way, he's providing plenty of fertilizer to the world's plants.