Just so you know, in the US you are expected to cliam your tips and pay taxes on them, and whether you do so or not is not the employer's business or problem. Therefore, they are not aiding an abetting a crime.
Secondly, Europeans need to realize that when they come to AMERICA that they should follow AMERICAN customs, which include extending a gratuity to a service provider.
Thirdly, Unless you are redy to double the price of your cruise vacation, cruise lines will not be able to pay their crew more, and you should be happy that these people work for what they do***edited to romove personal attack***.[/quote]