No email?
Execs can’t throw you bulleted lists of minutia. They have to be ready to defend thoughts in person, directly.
No cellphone?
Can’t call for a “quick chat” on the latest draft.
No access means Nolan controls when you do get access. And it better be good.
The new goal is to get so rich and successful that you cosplay living like it’s 1992 and everyone has to make it work.