Gene modifications slips in to rest of the population, other changes don't. You can think of every human being as virus out to infect others with its genes ;).

Gene modifications slips in to rest of the population, other changes don't. You can think of every human being as virus out to infect others with its genes ;). Given how so many parents are desperate about their kids to succeed in the super-competitive world, this is bound to become a trend - especially in middle class population who have money for the procedure but aren't rich. In China, Japan, there is cutthroat fight for getting in best schools, be the most attractive etc. These parents are also very easy to be mislead with incorrect/incomplete information.