One would hope so. The London Olympic security plan was essentially to delegate it all to the lowest bidder. Shockingly, the lowest bidders were incompetent fools and they had to replace them with a hastily assembled army team at the last minute.
A lot of world leaders will be in that church/abbey. If someone deranged thinks getting rid of them could solve some of the world's problems, a reenactment of the Game of Thrones sept explosion[1] would be doing it in style.
I truly wonder how much raw data GCHQ will receive and how they even remotely attempt to sort through it, plus all the myriad sources of information to integrate into intelligence reports. What an interesting challenge.
Eh, the King could always have moved his proclamations back, and pushed the funeral forward. Let's not pretend he's powerless. He's quite the opposite.
The late Queen had four children, eight grand-children, and sixteen great-grandchildren. Plus, the proclamations are only a small part of what's happened over the last ten days.
Only those in the party that form the government vote for PM (depending on the rules of the party). The stats you've chosen have as much relevance as pointing out how many non-Americans vote for the US president.