The Immigration Conundrum: Legal And Illegal, Intractable And Unstoppable, Win-Win Solutions

Immigration, both legal and illegal, are probably among the world's biggest and the seemingly intractable problems in the modern age. There are great human tragedies and miseries caused by these problems worldwide. Just look at the Rohingya migrants in Bangladesh refugee camps and elsewhere in the world, and the many illegal migrants taking the perilous journeys to America, Europe and Australia. And then there are the many displaced and dispossessed people in the many squalid refugee camps in Africa, Middle East and South America.
The developed countries all over the world seem to have a terrible love-hate relationship with migrants. First of all, those developed countries need migrants to top up their ageing and declining population. Secondly, they need the skilled and unskilled labour to staff their factories, offices and many other services. Thirdly, they face populist backlash from a conservative segment of their people who despise and reject migrants for stealing their job, raising housing and other costs, and infiltrating and diluting their racial supremacy, dominance and purity.
Fourthly, they fear losing their country from being swarmed by hordes of foreigners and aliens. Fifthly, they are suffering from a terrible disease known as xenophobia. So, what is the world to do with this seemingly intractable problem? Is there no way out? Are conflicts and misery the unavoidable outcome?Are we addressing this problem as a human problem that humanity as one has to address? Or are we treating It as turf wars, racial conflicts and the vicious and unrelenting fights for land and resources?