Your snark actually raises a good point: The optimal office arrangement probably depends on who works there.

Last Friday our team presented some of our dev proceses to the local agile group. We had 5 devs and a product person there. Someone observed that our team seems to have really good personal chemistry and we all agreed. We chalked it up to careful hiring. If you wouldn't function well with our set-up, we probably wouldn't offer you a job.