Possibly they believe the UK Gov is stupid enough to scrap a complete package that was on its eve of delivery and will then shell out tons of money to develop another one, Money that could have been used to see the one we had into service........
Because that's never happened before.
The capability has gone and it won't come back with half-arsed Frankensteinian attempts at resurrecting life from a dead corpse.
Don't be too harsh - the MRA4 wasn't all that bad.