I don't think it is disrespectful to Hitler in any way what so every. The joke is on the dive shops and dive boat captains and the Government for passing all these laws. When I started diving I didn't have to show anyone a card, passport, birth certificate. We just went diving. As for the boat captains how deep do they know you're going, 50 ft., 100 ft., 150 ft ? Maybe if your diving on the Andra Doran, I'm sure they will have a good idea at how deep your at.
I think it would be even funner to bring it up to date with President Obama.
Bill
dead dog