"This won't be available on the Subreddit, nor will any other improvements I or anyone else may make to the Less Wrong codebase in the future, unless we get those features rolled out for all of Reddit, which is unlikely."

That's great- don't get me wrong!- but this just means that, if you want to conduct a poll, you should do it on LW instead of the sub-reddit. The two are not intended to be mutually exclusive; you're supposed to use both.