Layering as it currently is on beta cannot go live. It’s so game breaking and ugly…
Unfortunately, I don’t expect Actiblizzard to make big changes at this development stage. This pains me as it will ruin the experience of the first months leaving some permanent damage 
I actually sorta like the Inn layering restriction some proposed. I think it’s a cool idea that could be expanded upon and also goes well with the RPG theme.
Here is what I proposed as soon as they announced the layering (sharding 2.0):