June 2021 - covid cases 8,000ish per day, PM decides that the time is not right to fully relax public health measures.
July 2021 - 28,000 cases a day, expected to rise to 50,000 by 21 July and 100,000+ by the end of the month, PM decides that public health measures must end whatever the outcome.

Does this mean that the 'science' Johnson has been guided by is a detail analysis of the likely headlines in the popular press. Surely then it makes sense to make murdoch head of the NHS .because as far as the government is concerned he is a worlds leading expert on health.