You have the assumption that is will be bad as long as it happens. It won't be bad if it happens slowly. 100 years or a few generations is more than enough to g

You have the assumption that is will be bad as long as it happens. It won't be bad if it happens slowly. 100 years or a few generations is more than enough to get out of the way. Just look at the population growth in the past 100 years. All those extra people somehow found a place to live and fitted in. We can find them a new place to live just as slowly and just as easily.