i.reddit.com is dramatically older and is still there. There's no need to ever turn it off. New users will overwhelmingly use the new design (if they don't thi

i.reddit.com is dramatically older and is still there. There's no need to ever turn it off. New users will overwhelmingly use the new design (if they don't think it's fine, how would they ever become engaged enough to even find out that there's a different option?) and eventually it's just something that makes some long-time power users happy and everyone else doesn't care about.