Irony and Irish character, American character

In the previous article there is also the quote:

As such, knowledge for the constructive marginal is gained from the context of the situation and from the benefit of being a simultaneous participant and observer of cultures.[italics added.] . . . . As supported by Stonequist, "the marginal man may become an acute an able critic. This is because he combines the knowledge and insight of the insider with the critical attitude of the observer.

Crrritic!

That's what I feel like usually. An American, for all intents and purposes, forever talking about how Americans do this, and America is like that. Must sound strange to someone who doesn't know my background.

Here's what I was thinking though: A lot about differences in the Irish character and the American. Specifically about sense of humor, and irony.

Americans: accused of lacking it.
Irish: in danger of wearing it out . . .

Is there a PhD thesis inside of differences between Yanks and Irish and their stance toward irony?

Irish: (post-colonial view) Irony is a language of resistance, perhaps even weakness (sarcasm)?

Yank: Irony is an immaturity. Strong, silent-type archtype in American society. The strong or victorious distrust irony?