Even if the President is undecided about it, as his counselor and advisor you keep some things close to the vest.
Rudy took this on probably as a friend of Trump and a service to the country. I admire him for that. But he better dissuade Trump from interviewing.
One of the goals of the Left (and The Swamp) is to scare away anyone from collaborating with, working with, or working for Trump.
They want to isolate him, and ensure quality people will shy away after they watch how the left illegally rapes and abuses them. Look what they did to Cohen.