Profits are made over the course of the year, not just when freighters come, making large debt rare]
Profits start coming in sooner. Industry must wait for raw materials
Completely Sustainable
Output not dependent on number of hours worked
All buildings directly make money
No need for educated workers, industry requires high school educations
No reliance on teamsters
Little to no pollution
All tourism buildings can be concentrated in one place, where as industry requires farms/mines and factories
Fun! Tourism can be much more interesting to play