I’m just going to leave this hear for @sil and the rest of the islanders. I thought it was another typical example of politicians in action!!!
Given Johnson’s tendency to say one thing then do another it does seem surprising that they want messages to expire after some relativity short time.
We have to remember that he originally campaigned to remain in the EU till he saw an opportunity to further his own ends by jumping on the Brexit bus (literally).
How long will it be before he claims that he never promised to protect the NHS.