If the scientists are saying that’s what’s needed for this circuit breaker then that’s what he can promote. I don’t doubt that there’s a degree of seizing a political opportunity here, and he might not have a long term plan but is using this to put himself on the side of the experts as opposed to the govt, which he hadn’t really done before.
And in fairness to him and Ashworth, whilst they haven’t been exactly vociferous in their opposition, they have consistently banged the drum for fixing track and trace which would be our best way of getting through this until a vaccine is ready.