Maybe there’s more to it than I’m granting but I pretty much just take it as saying “Those who can export inflation will do so.”

Yeah, but the core point is the reasoning has to go via abandonment of gold standard. Trade deficit is just a manifestation but not the core issue here. 

But no mention of triffin's dilemma ever mentions gold standard and keeps saying it's a dilemma as if there some great mystery on why this is true. 

spiderman

econ

A Critical Review of Triffin's Dilemma

That’s how I see it. The temptation to cheat is too great to expect it to last. 