Why do some people claim that boxing is dangerous, barbaric, uncivilized?

Because

It can cause death in the ring
Others claim that it is a dangerous and barbaric spectacle that has no place in the civilized world. This article will explore each side’s claim in more rincian.
The bell goes and two warriors approach each other. They are quick. They are strong. They are hard. They are ready to hurt and be hurt.
A left fist launches and connects with a nose. The crowds are their feet. Cheering. Wanting more. Wanting blood.
So boxing; what’s it all about? All animals, mostly the males, fight from time to time. Sometimes it’s playing but at other time it’s serious. Lots of people, including me, enjoy watching boxing.
  Tony : Hi, Andi, what about going to Agung's birthday party tonight?