Earlier quoted context omitted.
"No man who owns his own house and lot can be a Communist. He has too much to do." - William Levit (the Levittown one)
His point appears to be that each person should only look after their own interests? Is that your intent in posting it? Many of us, my siblings and our families inclusive, owe our lives to socialised medicine.
No, Levit said that in 1948, when Americans were vastly better-connected (socially) than today, "Godless Communism" was their #1 fear, and everybody was aware of communism's easy appeal to those who felt dispossessed.
I'd read the quote as a clever way to say "let me sell millions of cheap houses to Americans, and you'll never have to worry about the commies".