Why does the press care so much about the cruise line industry?

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Carnival Corporation & plc is a British-American cruise operator, currently the world's largest travel leisure company, with a combined fleet of over 100 vessels across 10 cruise line brands. A dual-listed company, Carnival is composed of two companies, US-based Carnival Corporation and UK-based Carnival plc, which function as one entity.

Royal Caribbean International (RCI, formerly Royal Caribbean Cruise Line (RCCL)), is a cruise line brand founded in 1968 in Norway and organised as a wholly owned subsidiary of Royal Caribbean Cruises Ltd. (RCCL) since 1997.

Royal Caribbean Cruises Ltd. (RCCL) is a global cruise holding company incorporated in Liberia