Try hitting https://old.reddit.com/ in an incognito window. I've been faced with this at least a week now. I just stopped reading subreddit content tho. I'm not creating an account, and new reddit is pretty awful.
Someone a little while ago suggested that perhaps they're incrementally rolling this change out or something, and it just hasn't hit my part of the US yet.
Or maybe it's browser-gated? I'm using Firefox.