The monarch has only 1 official power of memory serves… they can approve or reject legislation… “Royal Assent”.
However the last time they rejected a piece of legislation passed by parliament was 1707.
So the nation doesn’t depend on the monarchy to operate.. they are figure heads and can do diplomatic duties… but in terms of functioning of the governance they are a rubber stamp
So....you didn’t actually read it, but are here commenting on it...
The limitations of the current monarchy are recognized by the author and addressed in his essay.
I understood that the monarch can also dissolve or dismiss parliament. Back in the Commonwealth days she did do to slow down Australia’s very left wing PM, Gough Whitlam