If the Government doesn’t order an independent audit, and King doesn’t dissolve Parliament as a result, it’ll be time for another uprising. Been a while since the Gordon Riots, and even longer since Cromwell.
While your point is valid, we are where we are precisely because, for centuries, reformers have insisted that we shouldn’t have an ungainsayable family or individual totally overriding the expressed will of the elected government.
The USA fighting for independence, and then limiting the powers of the federal executive, is a reflection of the limitation of powers we imposed on the monarchy.
Having Charles and family overturn the principle would in effect be like admitting that leaders for life + aristocracy / technocracy/ plutarchy / oligarchy doing the Dear Leader’s bidding is crucial to sound moral leadership.
Benign, benevolent dictatorship is better than democracy... Unless the Dear Leader becomes more like a Kim or Ivan than a Trump or a Rockefeller.
Parliament is dissolved by the King on the Prime Minister’s request.
King Charles cannot dissolve parliament on his own volition.
That changed with the Victorian era