DiCaprio.
No comment re: a/p not reselected, it's in here or TechLog. Post 447, Airbus issued Safety Bulletin: "Do not reconnect Autopilot too quickly post UAS, the aircraft may enter an uncommanded climb."
UAS procedures prior to, and to this day, are a "work in progress" for the Bus.
DC-ATE Sometimes the PIC, sometimes not. Sometimes Both, sometimes neither. It's a proprietary thing, Captain. If you are a BUS flyer, you are permitted to know almost always, especially when the a/c is docile, which is most the time. Rarely, when UPSET, the STICK is mysterious, and no one is permitted to know, lest someone actually have a clue. When one is busy, the other fella is to mind his bidness. It's a French thing.