They are going to give the second half-doses too late.
The efficacy is unproven.
They made the decision because they want, one day, to stand on telly and say the highest number they can of people who 'have been given the vaccine'; no thought or plan for the other part of an effective dosing regime.
We will all be wandering around unsure or unaware how vulnerable or infectious we might be.
Another one brewing from the people who brought you..