Right, but we've already discussed several ways in which IT WOULD NOT have to be two versions.
- Activate the mode
- The link you shared http://www.rootstheme.com/#clean
I'm not demanding that WordPress take the idea seriously or implement it, that's clear now that they don't even want to consider it.
I just wanted it to at least have been allowed to appear on the front page http://wordpress.org/extend/ideas/ so that more people could have found it, voted, thrown in their two cents about the possibilities and how this could work etc.
It's a bummer, but not going to keep me up at night. :)
I think I'll come back to this idea with a plugin in mind and think about hiring a programmer.