Benign dictatorships are almost always easier to pull off than board management models. Board management models generally only work if it the restaurant was individually owned at one point and then that owner left Starting a worker owned restaurant from the ground up is a terrible idea because the end customer doesn't really care and your artificially creating additional managerial barriers to entry when you have to…
A board management can elect a leader/ceo/dictator if they wanted (and from the sounds of it probably should).
Just like having a company run directly by shareholders is probably a bad idea.
Having a company that is 100% Owned by the same people that it employs does not make a decision on how it's run, it just aligns workers and shareholder interests completely.