I've always liked the DA leadership style, and agree it actually prevents a lot of conflicts in the first place. In a similar idea, in my most junior role we had a "shield." The topmost guy could be really intense and demanding (chasing the perfect platform). Our team lead soon became a strict interface between him and the dev team. Together they were really effective at figuring out what the problem was and making a game plan to go fast while not stressing out the team and adding a ton of technical debt.
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