they are very big in the letters back to lawyers/companies - do you think they're still so "f*ck you, we are invincible" from their jail cells?

Well since their humorous responses go back to the early 2000's I suspect they have a bit more experience at this.

One of two things are required to enforce laws across sovereign nations, a co-operative government or a occupying military force sufficient to displace the indigenous military. While the US may have the latter, they don't have the former.

Does something make you think they aren't?