C122 School the Quadruple Root of Causality(1)

"Unlike you, I'm all alone." Starlight shone around us. "So I thought it would be best to communicate with you at night, so the Principal Ding won't disturb us."

As I was struggling to continue interviewing the Mr Russell, he sent a message to the crew, saying that he could receive me at night, but he insisted on not appearing on the show.

I don't understand his thinking behind this