The Queen has also broadly benefitted from the large number of stable Parliaments & the fact that we've only had a handful of post-war parliaments were the third party had more than 50 seats- along with the fact that we now have a 'manual' which outlined how the monarch behaves during this.
terrifying Mid Century Arch-Flunkey Sir Alan Lascelles
AH YES THAT F**KING GUY
Pardon the normie intrusion but he makes for quite the compelling villain in The Crown, and from what you're saying it sounds like that's historically accurate.
It says something that our constitutional guidelines were written in the form of an anonymous letter to the Times.