Simple some people can overcome fear or prejudice and hopes for better days. Some people despite evidence to the contrary believe if people leave their differences aside the world would be much better and wars are a waste of time.
If you believe that coexistence is impossible all that remains is war some people do not believe is necessary to go that far.
Steal jobs? Well that may be true but because they have skills that humans have not allows them to make several incredible things and help humanity to improve the world. Some may cure diseases, can prevent environmental disasters such as floods, earthquakes or hurricanes and fix defective nuclear reactors without risking the lives of human possibilities are endless if applied for peace. This was clear in AVX and this is due not only to Phoenix Five all X-mens were helping to improve the world and for a moment the war ended and refugees were returned to their countries.
Would not strange countries and people who have been saved by these acts supported the cause mutant especially minorities type when Storm was arrested and appeared people to protest or when Scott had supported their cause in a university.
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