gulliver - // 15.41 Boris will now start to lose favour in the oplnion polls, and if he has to U turn again on 19th july , it could well put him and his party into decline , and he knows it. He might to something desperate to save his neck on 5th july. //
If the government has to extend the lockdown again, it will be because of a change in circumstances that are unknown at this time.
This situation is unprecedented, no-one can see into the future, and no-one is going to hold the government in general, or Boris in particular, responsible for not being able to foresee changing situations.
Boris's 'neck' is quite safe.
You really need to stop twisting simple situations and facts into some doom-laden scenario that ends with Boris Johnson losing his job.
Just because you wish it with every fibre of your being does not mean that shoehorning your fantasies into imagined scenarios is ever going to make it happen.