Most of the time its somewhere in between. You'll speak with the manager, speak with the team, you each review each other's artifacts, and if everyone's happy, you swap over. The balance of power is pretty nice. I've dropped out of the process many, many times after starting talking with management. Or even just learning more about what the team itself does (I couldn't live with myself if I worked on pre-roll ads, for example. So I noped out of that one).