I'm cross posting here, I posted the same thing on the Make discussion.

I am also not a fan of this idea for all the same reasons mentioned above. I did want to try the functionality out so I installed the Menu Customizer plugin from the repository. After activating the plugin the site crashed when trying to access the customizer with `Fatal error: Call to undefined method`.

This is on a clean install of WordPress 4.2.2, 2015 theme, and no additional plugins, all running locally on a VVV box.

For me, as an average user, I don't understand how such a huge decision could be made to not only move forward with this, but to quickly remove the menu admin screen, when the plugin implementing the functionality doesn't even seem to be stable at this point.

Something minor I can understand, and I understand that it's a feature that is under development - but my first experience with this functionality was a white screen, on a completely clean site.

I don't get it.