It certainly has been an interesting few years for the cruise industry.When the pandemic disrupted life as we know it in 2020, cruise line stocks were some of the hardest hit in the entire stock market. And it certainly made sense. Cruise ships weren't operating for a year or more in many cases, and even after cruising resumed, it was a while before ships were sailing at full capacity.In the meantime, the major cruise lines had to take on added debt. Maintaining a fleet of billion-dollar ships is expensive, ...