Indeed, and is why buildings are not made this was as you want to be able to get from any point to any point in an easy manner. not walk all the way round a doughnut or across the middle when its pouring the rain.
Something strikes me about how Insular this all looks. Like a castle wall to keep others out, it does not give the feeling of openness, quite the opposite.
Like a castle / prison to keep people out.
As you would expect, it's done to be different.
I wonder how Apple would feel if the builders say.
"Ok Mr Apple, all done now, and glued closed on all the work"
"You won't be able to upgrade or change anything"
"If in a years time you want a part of it improved, we will sell you a new one"