The default in the UK is to be released on bail. The current charges are for leaking documents, and the royals have made it clear they are not going to get in the way. His lawyers would have a field day with the police for not allowing bail, given what he’s currently been charged with.
Hopefully that will change, now the investigation is officially open, but it’s the nature of our legal system.
PhD level and up are notorious for over specialisation.
My university had a personal assistant, dedicated to 2 professors. Half their job was to make sure they made it to lectures on time. They still managed to be late sometimes.