“...I can tell you that there are many nationalities coming into the States. Moreover, the A330 widebody, especially where he was sitting, was on the far side meaning only someone within 3-4 rows would even be able to reach them and they would have to be on the aisle. That means you’ve now restricted your choices to roughly 6 people to act...”
So I presume from the above that those who initially assumed it was Americans who nailed the terrorist are also in error?
trust me when I saw that Americans are usually the first to act. The fact they didn't on this flight wasn't, IMO, the thrust of your first post...so I provided some anecdotal context that questioned your original premise.