This is a poorly-veiled run of praise at Great Britain and societies that have marked off the British system, and what is critical to understand here is that keeping the monarchy is not the root cause here.
It really dates back to the Magna Carta, which freed Britain from the possibility of tyrannical monarchy and meant that British tradition, as opposed to traditional systems in other countries, were focused on keeping the balance between monarchy and nobility. This meant that the British system could better adapt to change over the years, and so radical revolution was rarely needed (though we do forget the Civil War here, don't we?), meaning that the British were able to adapt to modern systems without the system having to radicalize one way or another (towards reactionary Absolute Monarchy or into populism). This meant that Britain remained relatively stable through the upheavals of the industrial revolution in a way that almost no other country was able to do.
Though once again, we must remember that steps were taken in Britain to guarantee that the monarchy remained amicable to the will of the constituencies, as after the English Civil War or the Glorious Revolution
Chartism and the social contract are the key to British success, and the endurance of the monarchy is merely an extension of that.
Monster Hunter: pissing me off since 2010.
