A tropical cruise sounds like a beautiful way to see the world, and it absolutely can be. When things go smoothly, as they do for hundreds of thousands of passengers, a cruise is relaxing and enjoyable. It takes you to places you've never been and helps you get away from the daily grind.
One of the main reasons that a semitruck accident is so devastating for another driver is simply that the truck weighs so much more than that car. Many cars and small SUVs only weigh a few thousand pounds. When they get hit by the semi, it has so much more mass to contribute to the crash that it just tears through the smaller vehicle.