Knowledge is power & Knowledge gained over generations becomes Wisdom.
When it comes to understanding & judging National psyches, cultures, qualities & weaknesses, the UK is matched only by Jews.
America despite all its technological advancements is still very impulsive & emotional, it lacks the cultural temperament for an ice cold attitude to geopolitical calculations.
You only need to look carefully at the war in Ukraine & how things have unfolded since then to realise why the UK is the old Sage.