The process to painting your perfect therapy picture doesn't have to be hard. In fact, successful counselors help you mimic your life inside the safe sanctuary of their office. Trust your gut.
Once scientists become nimble at synthesizing the human genome, will they use that technology wisely? Who decides how and when the technology should be employed? And how can those decisions be enforced?
The idea that an invented species, alien to all environments, can be casually introduced in large numbers to, say, clean up an oil spill, without any unintended consequences flies in the face of hundreds of years of experiments.