If you look elsewhere in the comments here they are often for sale. At some point however, the cost of renovations outweighs the benefit. Especially because the

If you look elsewhere in the comments here they are often for sale. At some point however, the cost of renovations outweighs the benefit. Especially because the larger the ship the more profitable it is, and these ships are being retired for ones that hold up to 4 times as many people and are 50% longer.