They already live rent free in your head.
That’s because they are a reality. Are the open borders on the south just in my head as well. Is the worldwide willingness to transport Gazans into country in the world just in my head? Is the flooding of formerly and primarily white countries by third worlders just in my head? Are the major 20th century wars that caused a relative decline of white people from 30% to 8% of the population just in my head?
I guess you’re oblivious to the obvious.
They aren’t just a figment of my imagination. They are quite real. 250 million people were murdered by them in the 20th century.