Good usage begins early in life and is a never-ending process. According to Cyndee Miller in Advertising Age, the Asian American population is the fastest growing ethnic group in the United States and is expected to reach around 15 million by early next century. To a good portion of this growing segment, English is not their first language. Many languages do not have the same grammatical or structural form which makes it extremely difficult translating either way. Usage of English language has its purpose, to convey meaning and understanding to a certain audience.
People still communicate in their own Native tongues and have so for many years.
With the globalization of many companies today, communication is very critical. Without effective communication, markets of today would be limited as there would be no exports or imports, etc. I don't think its fake either, adjusting or toning my style for a particular audience. I am sure we are all guilty of it at one time or other. Place and time would be factors in evaluating if usage is correct.