Once upon a time there was a "proper" and legal channel for "genuine" refugees.
Now, there may or may not be still,
but there is overwhelming numbers not genuine, thwarting the system, thwarting common sense, on purpose inundating places for purposes not published openly as far as I've seen.
From news from some or many countries the last few years or decades, the people who lived with their own gardens and /or farms, or even working where they could benefit from good soil and food grown in their area,
where driven into cities by soldiers, policia, national or guerillas, and their farmlands taken, possibly made it impossible for some time to grow anything.
No, there's not likely any , or very little available, "lush and uninhabited land on Earth" left to be enjoyed except by the rich, elite, in power.
The plans in place worldwide are being carried out daily. Executions are daily also, btw. Also starvation, dying of thirst, and much cruelty.