Or sympathetic mods can delete awkward questions and ban the person posting those questions before anyone can see them. There have been such posts with more [d

Or sympathetic mods can delete awkward questions and ban the person posting those questions before anyone can see them. There have been such posts with more [deleted] comments than visible ones. With CSS one can hide the fact that comments have even been deleted. Combined with the moderator bot, a user can be effectively shadow-banned from an entire subreddit.