The naïveté of that position is that the users are not informed ahead of time that there's a random chance of a political protest popping up on their screen, so do not get to make an informed choice before it is perhaps too late. It's not mentioned in the doco. It's obfuscated in the source code as an 'extra tree' in an array of xpmtrees. The commit that added this had the commit message 'willem'.