While it's not the main problem he's talking about, I think Marco Arment blogged...

MojoJolo on Jan 8, 2013 | parent | context | favorite | on: Why do most public toilet doors open inwards?

While it's not the main problem he's talking about, I think Marco Arment blogged a related solution for this. Here's the link, http://www.marco.org/2012/02/25/right-vs-pragmatic. It's a great post guys, I encourage you to read it. :)