[yucky]

>this is typical puffery by the ascendent Anglo-Saxons who were looking for a superiority narrative

By what metric was there not superiority?

[pishpash]

At the time? The Revolution-era US was none of the things that the linked article quotes as examples of exceptional greatness. It was a relative backwater, facing internal and external security threats and struggling to get a national government working.

[yucky]

Even then you had superiority over the native population in every metric (economic, health, education etc) unless I'm missing something.