JavaScript: Is Fallthrough From Switch Statement A Troublemaker?

fallthrough_example_pros.js

let name = 'Ray';
let description = '';

switch(name) {
  case 'Yoda':
  case 'Anakin':
  case 'Luke':
  case 'Obi-One':
  case 'Ray':
  case 'Finn':
  case 'Kylo Ren':
    description = 'Jedi';
    break;
  case 'Chewbacca':
    description = 'Wookiee';
    break;
  case 'R2-D2':
    description = 'Astromech droid';
    break;
  default:
    description = 'Unknown character!';
}

console.log(description); // Jedi