Ok so the loop hole I was reffering to was in the past people could not add pax from a lower category to their dining reservations until it was the lower cat time slot
EG Suites can book 90 days out PH 75 days out Concierge 60 days out others 45 days out
So someone in a suite could not add people in a B until 45 days out
But in the past few years anything goes
Unfair to those in the lower cabins to get a reservation when their time slot comes up or sometimes not get any booked reservation pre cruise
JMO