“Would I like to be involved? If I told you that, I’d have to shoot you”
Read that however you want.
There's been so many interviews in the past where he's made mention of not enjoying certain elements of his Doctor Who tenure.
He seems to have done it for the kids but grownups were less fun to be around
"I was open-minded but I decided after my experience on the first series that I didn't want to do any more," he said.
"I didn't enjoy the environment and the culture that we, the cast and crew, had to work in," he continues. "I thought if I stay in this job, I'm going to have to blind myself to certain things that I thought were wrong."