This is ridiculous, I mean, wholly ridiculous. It never did any child any harm to have something that was a tiny bit above them anyway, and I claim that anyone who can follow Doctor Who can follow absolutely anything.
“I wanted to be a doctor when I was little, so I'm okay with blood and guts.”
“So in the first draft, I'm inventing people and place with a broad schematic idea of what's going to happen. In the process, of course, I discover all sorts of bigger and more substantial things.”