Here are those relevant snippets from the interview:
Nytm: You’ve been outspoken about stand-up audiences being too sensitive and politically correct these days. Have you ever apologized for a joke?
Seinfeld: No. Jokes are not real. People assume that when you say something that you believe it. It’s purely comedic invention. You know, I do this whole bit about Pop-Tarts and how much I love them. I don’t love Pop-Tarts. It’s just funny. It’s funny to say it, so I say it.
Nytm: What did you make of James Gunn, the “Guardians of the Galaxy” director, getting fired for his old Twitter jokes?