She had a right to be defensive when he claims that his show is a safe space and this is not 60 min or Dateline, while he calls racists, kids being kids. When people pressed him because he didn't push back against Kat, he said

"If you listen, in my intro I said normally what I say, ‘the person that’s coming by for conversation and a drink.’ I’m a conversationalist, not an interviewer. It’s a different space…" - Sharpe


Amanda's interview was ^^^^^^that.