I don't think a fighter should ever be pressured to have a say in whether or not they are fit to continue. I believe once an Illegal strike to the head happens, the match is compromised. Theres no outcome that's fair because it's impossible to know if the fighter is concussed or not. With this rule in place, fighters don't need to put an oscar to try to get a DQ. There won't be controversy if you schedule an immediate rematch.