I don't understand the point you are trying to make. If the estimates are incorrect, then they will show up after decades of operating as a business, being rea

I don't understand the point you are trying to make. If the estimates are incorrect, then they will show up after decades of operating as a business, being realized via the sale price of the ships or repair costs or whatever. The profit margins reported in the 10-Ks seem like an an accurate estimate of what a big cruise company can expect to earn, based on the current best management practices and technology.