Sacked? I hope they face criminal charges. Bouncers are entitled to use reasonable force. Nothing I saw in that video was reasonable or lawful. That the crowd were cheering them on was disgraceful.
Nothing I saw in that video amounted to minimum force required, Im not even sure that any of it was an approved technique. Kidney punches when someone is on the floor? Punches to the head even when the individual was trying to get away? Dragging them back in for more beatings?
A high vis vest and a silly armband give no one the right to deal with a situation like that. They are not above the law.