Yes yes. Nothing wrong with your arguments. At first sight.

We are in the meantime so many people on this planet. That those places that are staying habitable are already occupied.

This means if people moving away from dead zones they puttung pressure on existing economies, imfrastructure etc.

And this in turn, through our global economy will hurt anybody. Simply because markets becoming destroyed, supply chains disorted.

Western countries are struggling maintaining its infrastructure. You think europe can host africa without lowering the standard for its people?

This will evolve in revolts. For the world economy not even began with.