Why are wages low in the hotel industry?

In the eyes of most people, waiters have a low starting point, so their wages are naturally low. It's like this. The threshold for waiters is very low. Anyone can be a waiter. It's just a question of whether they do it well or not. Moreover, the current situation in the local area has not strengthened the service awareness of the service industry enough. Therefore, hotels will use very low wages. Salary to recruit waiters.