Earlier quoted context omitted.
You could learn from consent based decision making, a hallmark of sociocratic worker coops that is underrated and can be applied elsewhere. Hierarchy and coercion isn't necessary for avoiding decision paralysis in organizations. It appears to be the practical route but has all sorts of harmful and counterproductive consequences. https://www.sociocracyforall.org/consent-decision-making/
It's not autocratic, it's not a form of government at all. Each role is a module to take in inputs, process them, and produce outputs. it is effectively a program. Define your roles, and expectations of each role, then run the program and edit as needed.
There’s rarely a single correct answer— lots of good solutions have trade-offs— but there are often various wrong answers. Do the best you can to avoid the wrong answers, and when you inevitably run into the business end of one of your trade-offs, take comfort in knowing the other good options probably also had trade-offs, and tell the smug know-it-alls to cram it.
People working effectively towards a non-optimal solution is far more useful than sitting around arguing about the best way to do it.