The most fundamental of rights is the freedom to associate with, deal with, trade with whomever we choose. We have the right to discriminate for any and every reason including, but not limited to, race, color, creed, ethnicity, national origin, sex, sexual proclivities.
If for any reason you do not want to have any relationship with another, that is your right. Might not be nice. Like whom you choose.
We also have the right to use our property as we choose. Including excluding and including at will.
I am reading his book now and find it fascinating. He definitely is onto something.