The settee opposite the dining table is where I do my best contemplating (read - napping) and the most popular place for guests to sit which is why I'd consider it an essential
interior design prerequisite. Each to his own...
The conventional argument against a pullman berth is the difficulty of the inboard person to access/exit but that too is a personal preference. Just don't be too quick to condemn ("what a waste") that which you don't like.