Earlier quoted context omitted.
And yet people complain about the pointlessness of meetings despite not doing anything to make them more efficient (cf start and end on time, avoid chit-chat, stick to the agenda, send actions quickly afterwards etc). It only takes a small about of self-discipline to get there but everyone has to exercise it. I'm lucky to have learned from some excellent meeting-chairs but have only been able to reproduce the efficie…
The #1 thing to make meetings more efficient is not to have them . Very many meetings, IME, are held for purposes for which a face-to-face meeting is not an efficient tool, and for which decentralized, asynchronous mechanisms like email would serve better.
That means they're unproductive. On the other hand, if you force a venue change, you're just going to get hyper aggressive git commit messages or something equally stupid to show "who's boss". The only solution I'm aware of is to select employees for hire based on likelihood of not being "into" primate dominance rituals, at least not at work. This is pretty hard to figure out at the interview stage and once a company is eventually infected, its plague dynamics time, and much like a bad flu season, work grinds to a halt.