Night Vale fandom, especially on Tumblr, is way extreme in their snowflakeyness. FFA had one person turn up on meme trying to argue that the existence of darkfic is tainting the pure example of joyful queerness that is Cecil/Carlos, which went over about as well as you would expect. So on the bright side, this wouldn't work in the vast majority of fandoms/with most fandom people. On the down side, WTNV fandom's mores are such that it worked there and that represents a pretty huge cultural shift. So I don't think it's going to be the new thing, but I'd also recommend not touching WTNV with a barge pole and keeping a weather eye on new fandoms in case they start going the same way.