Hi John,
If I had to take a guess, I would say that it might be a 'generic representation' as far as the logos and stripes go, and that might have to do with the fact that there is no actual permission given by the USCG to use the actual logo's and paintjob.
But I'm not privy to the actual reason, to be honest. But if there was an agreement that allowed them to make them 100% accurate, there wouldn't be a reason to paint it as they have done atm, I would say.
Kind Regards,
Fred