I see the point and I wouldn't want to go to live on Mars as the 'first wave', but there are people on earth living in the harshest environments because they ar

I see the point and I wouldn't want to go to live on Mars as the 'first wave', but there are people on earth living in the harshest environments because they are used to living there. Some towns in Russia, or Canada where its deadly cold outside in the winter. Why don't they move out of there? People are more adaptive then you'd give them credit for it.