Then suddenly the visitors all came flooding back. “Over-tourism” has long been a complaint of locals on the Hawaiian island that is among the world’s most popular getaways: congested roads, crowded beaches, packed restaurants. However, as the United States begins to recover from the pandemic, Maui is experiencing some of the same strains as the rest of the country, such as a shortage of hospitality workers. And its restaurants, which are still operating at capacity, are struggling to keep up. In recent months, the Hawaiian island of Maui has become so overrun with tourists that its may...