In my view it depends what type of fight it is. If it is physically or mentally harming then it should never be done, but if it is something like a debate, then it is good to fight yin that manner.
In sports, such as boxing or wrestling it is ok to fight, since it is not in a bad manner and there is always someone else in the ring to stop things getting out of hand. Unfortunately, some people get influenced by this and do it in the real world without any safety measures. This can be very dangerous and someone can get hurt very easily.
In gaming consoles, there are some games