I think this was a pretty neat experiment. For the first 24 hours everything was chaos, then it settled down in the middle as communities formed, then at the end it was just annoying as every subreddit was trying to take over real-estate, and far too many people were taking it way too seriously. It got annoying going to certain subreddits that I subscribe to for content started getting flooded with "Man the decks, we…
Probability of putting up an image on r/place was a function (inversely related to) of how much antagonism it would draw. I think that it why there were so few political messages. There were too many people AGAINST a given image, and not necessarily not enough FOR it.
Sabotaging was way easier than constructing.