You do get punched and hurt only because you are punching each other so obviously you will get hurt. And people do back out of fights because they are hurt badly and or knocked out cold on the floor. Yes taken for granted before glove we did fight bare knuckle but we still get hurt now.
Boxers put their lives on the line every time they step into the ring, they risk breaking their jaws bone and all kinds of things, the rest of this message is purely to make up the requested 50 words. . . . . . . . . . . .
Boxing does require injuries but not knowing to box could get you killed anyways. We think boxing is a bad thing and that people will get injured but truth be told people use boxing to defend themselves against people out of the ring. People have been abused and the only way to fight back was with punches and kicks.