It is only likely for a guest to receive outstanding service at all luxury brands. That's why Ritz-Carlton, Mandarin Oriental, Four Seasons, and others are best at what they do.
Explanation:
The reasons behind this answer are that in the first place this is a generalization and that is the major cause for it being incorrect. Now, modernity has evolved very much and markets for all industries now focus on client service, unlike decades ago in which only a few chains like the ones mentioned were the only ones recognized to provide outstanding service. Furthermore, not all people are going to receive service at these places because some of them have strict rules to be able to enjoy their services. For example, etiquette rules that someone has to cover to be able to access them. Therefore, not all clients are going to receive outstanding services at those places.
This type of government has elected officials that govern the country and are responsible to the voters who elect them. The Romans created a republic after overthrowing a king. Romans are also responsible for creating a legal code written down which protected the rights of all citizens.