Yes you do care. There are hundreds equally "best person for the job" and as long as it is not a women, it is ok to pick any guy. These are symbolic choices and

Yes you do care. There are hundreds equally "best person for the job" and as long as it is not a women, it is ok to pick any guy. These are symbolic choices and as long as the symbol is a guy, people are happy - even when he is not actually the best person. And plus a choice on whose body we make the experiment - astronauts themselves are the subject of the experiment.