My experience with those clowns at CBP is they treat you differently when you have an airline (large 91k included) name behind your tail number. The saber-rattling about 5k fines and eAPIS notifications/ADIZ crossings is meant only for us peasants who naively think we have a right to re-enter our Country without penalty, by constitutional decree.
As to taking off short on FOB because "mexican fueling takes too long"? Oof. I guess I'll stipulate; def not cut out for corporate aviation if that's the case. It's the problem with having a pension, you get too comfortable saying NO in this life.
Jest aside, I'm willing to give a 91k crew with a job high paying enough to be considered "career money" as opposed to "time builder money", to be more guarded about it and not succumb to dumb rich people pressure. Furthermore, an outfit that dislocates its own shoulder patting itself in the back about running things like 121, would be about as immune as the latter about taking off without sufficient fuel. I'm no Captain Steve of course (/s), I can't stake my entire parasocial reputation making the claim they didn't bone up the fuel.. but I don't think they did. yes, I'm incurring a halo bias just because they have "netjets" jobs. That said, I'm 100% open to stand corrected on that matter if the evidence shows they in fact rushed over concern for CBP clowns, and launched with insufficient gas. Maybe the NTSB will get this one published before GTA 6....