ivan salis said:theres a old spanish saying -- nada por nada , nada por amore * -- nothing for nothing , nothing for love (free)-- it means --you get what you "pay for" --
it is both unjust and unfair to take anothers labors without payment for services rendered. -- its slavery or theft of services .
First, Spain did not ask for their ship to be salvaged.
Second, dont go there: the loss of archaeological information that Odyssey caused to that site should be, could be, translated into fines. It's like when when some vandal spray paints over pre-historic rock art or destroys a statue or an historical figure - he will do the time and then pay to repay what was destroyed.
If they are smart, they will comply and leave it be.