So if he pranged his car and had also say (allegedly) broken the road rules about alcohol consumption, would you be crying the same "oh no he might not be able to go to the USA" tune?
Get a grip, that's such a bloody irrelevant tangent it doesn't matter. He might not even want to ever go there anyway!
Even if it wasn't an aviation matter, don't do **** that will jeopardise it. Pretty simple.
Crikey.