It said right in the article that they were trading insults:
Trump has described Harris as someone with a low IQ and said she would be like “a play toy” for other world leaders. “They’re going to walk all over her,” he has said.
Some of Trump’s former top aides from his 2017-2021 term in the White House described him as a fascist with the intent to govern in a second term as an authoritarian. Harris said she agreed with the characterization.
It said right in the article that they were trading insults:
See? ThEyRe tHe SaMe PiCtUrE