Yes, exactly. In many cases you don't exactly need to involve the whole group but without a decider things stall out. And suddenly getting a decision about something looks like "collaboration", and gets struck down by the great confusion which is this authors take. It's a lack of decision making, simply put.

Articles like this are quite poisonous, because they take language and mutate it for purposes that aren't quite sincere, and then next thing you know something necessary and good is worthless.