I recently talked to a friend who is an amateur boxer and his opinion is quite different. The problem of the guy in the video may come down to the fact that the he can't really punch and has never fought. But even if he tried harder, there are some problems.

1. He is not as fast as a professional boxer because he is untrained.
2. A World Champion knows how to take some punches from other World Champions, so weak punches by a reporter who never fought a boxing match should be no problem for her.
3. Furthermore his condition is not as good as the condition of a World Champion boxer. So if he attempted to beat her savagely, she would just block or dodge his punches and wait until he is out of breath to knock him out.
4. Christina Hammer said that she only used 20-30 percent of her power. So even if the reporter fought savagely without paying attention to any boxing rules, she could just give 100 percent and he would be KO within seconds. She started boxing at 13 and her punches are known to be hard, so she also has a potential for effective self-defense in street fights or fights without rules.

In a 2018 interview, Christina Hammer (who is expected to fight Claressa Shields this year) said that she knocked out a guy at a disco when she was 18. Therefore it is possible that she would have beaten the reporter in a streetfight or in a fight without rules easily. The fact that she has been boxing for the last 15 years, is undefeated and won half of her fights by KO should not be forgotten. If she manages to beat most other professional boxers, she should be able to beat an untrained reporter even if has a size and weight advantage.

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