Due to Science and Technology, people all over the world are having the same lifestyles. Do you think it is a positive or negative development?

There has been an increasing trend that having the resemble lifestyles are become more prevalent than ever in all over the world. In my opinion, while i believe that this trend may certain benefit to society i would argue that its drawback should not be overlooked. The resemblence of human lifestyles may develop mutual understanding which is reinforce the relation among nations. More importantly, individuals may get rid of prejudice and discrimination thanks to the similarity of habits and routines. For example, it is no longer unequality between dwellers from different countries or continens due to the disappear of diversity of lifestyles such as: fashion, skin colors, manners... which are the main reasons of discernment through thousands of year. Despite these afore-mentioned merit, this situation may assist in losing national identities which passed down within million years by our ancestors. In fact, it may obfuscate our nationality and uniquess of culture, therefore people may become a huge obstacle to the development crucial aspects such as tourism and fashion. To illustrate, Paris is famous for its unique and luxury fashion which attract a huge amount of foreign tourists every year, thus, if this situation continuing, Paris may no longer the "fashion city" in the world anymore. In conclusion, this development shows the effect on both sides whether it is positive of negative, i incline towards the idea that it is demerit for people in all over the world if they have the same lifestyles.