Universities offer "Specializations" while Organizations believe in "Diversity"... Please elaborate the sentence...

We are living in a World which has shrink with the advance of Transport and Globalization, where by people migrate from one country to other. Due to the migration, the face of the cities and the countries has changed and this has also effected the workplace. These people are of different culture, nationalities, language and background. The companies who are following ethics code have obligation to accommodate all these people. Hence the companies websites promotes the sentence ' We believe in Diversity'.