Business knows where to put its money, that is an emprically proven fact. A business puts its money where it can make profit and with that where it can find a customer (consumer). A consumer must be in a position to buy the products and services of the business. In a position means also it is capable (and willing) to buy the product/service of the business man.
One of a key indicator of your buying capability is the level of your income, if your income is not allowing you, then you can wish to have something but can't have it. The business knows exactly where it can find a buying capable consumers and it will go on and provide the services or products there.
This is exactly why we are seeing such an upscale resorts and other similar high-end services in Ethiopia today, whose numbers are rising from time to time.
This wouldn't have been possible without a concrete economic growth of the country and with that a rise of individuals' level of income.