There's been some discussion about whether Moffat should return to write more episodes in the Chibnall era after series 11, so I thought I'd make the suggestion that Davies should return, as he's the other former showrunner and perhaps fits the Chibnall era better in some ways. It has been said that Moffat got very close to convincing him to return so I also don't see it as being impossibly unlikely.
The most obvious way in which Davies suits the Chibnall era more is that the Chibnall era is very overtly political in a way Moffat's Who writing has not been, outside of The Beast Below, which I (and Davies, from an interview he gave) love, but Moffat himself does not. Davies on the other han