I think they fixed that a long time ago: http://blog.workflowy.com/new-workflowy-feature-add-stuff-wh...
Re: responsiveness, I've actually been very impressed by the team. I've emailed them about 3 separate product suggestions, one of which was actually pretty dumb. They got back to me in all cases very quickly and thoughtfully.
It's a small team -- still just two guys, I think -- but they've been doing a great job to improve it quickly.