The tourism industry is creating ethical domestic employment for the host countries of the tourist. The tourism industry is creating many jobs in the host country, such as transportation and in the hotel industry, which are all ethical. Without tourism, many people would be without work and not able to support themselves.
Yes, the tourism industry creates ethical, domestic employment, because those employed are able to set whatever price they like for their services. The people working in the tourism industry in these countries have chosen to work in this industry because they have decided it is more beneficial to them than working in another industry. Thus, it is ethical, because the people choose to do it.