Ethics in research matters. You don't see vaccine researchers shooting up random unconsenting people from the street with latest vaccine prototypes. Researchers

Ethics in research matters. You don't see vaccine researchers shooting up random unconsenting people from the street with latest vaccine prototypes. Researchers have to come up with a reasonable research protocol. Just because the ethical way to do what UMN folks intended to do isn't immediately obvious to you - doesn't mean that it doesn't exist.