If the only reason for going to Mars was to reduce risk of our species being wiped out, this might make sense. But there are a lot more reasons such as scientif

If the only reason for going to Mars was to reduce risk of our species being wiped out, this might make sense. But there are a lot more reasons such as scientific research, tourism, living space, stepping stone to other planets and he stars, that are all just as compelling, and none of which can be done deep underground in a NORAD shelter.