I agree that artificial selection should be used as a tool in medicine. No one deserves to be born with a life-threatening disease. If we have the capability to prevent that, then we should. But there is a difference between selecting traits to save someone's life and selecting traits based on personal whim. The latter is changing fundamental parts of someone's core identity without their permission. What if a parent designed their kid to have amazing hearing but it backfires by causing anxiety due to noise sensitivity? Or what if a parent chooses for their child to have a beautiful eye color, but it somehow limits the child's visuo-spatial skills? Because many genes control more than one factor I agree that we need more research to be done.
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