Yes, there's a certain reason the rounds are up to that number. It's really to control and avoid that scene when a sudden strong punch has been thrown to the body part which can cause the death of the boxer.
You'll never know if it's on the head, back head, or even on the abdomen part could also cause death when the internal organs of the boxer that have been hit are delicate and will cause implications inside or hemorrhage.
Watching the recent deaths in boxing, this year 2022 Arest Saakyan, death to opponent Igor Semernin, Simiso Buthelezi's death to opponent Siphesihle Mntungwa, and Luis Quinones's last opponent Jose Munoz, well all causes of death was head trauma or injury to the head, Notable injury fighters can not stand up and unconscious while Simiso Buthelezi was fighting a hallucination inside the ring when the referee stops the fight because Simiso Buthelezi never stop fighting that day, he keeps on going on, till the end,
Those were tragic, well, all of the deaths while having a fight are tragic. It's too sad that they have to go too soon and it's going to be a match. I guess you've also heard this news about a young boxer in our country that suddenly died after a sparring match.