The alt-right’s intellectuals would also argue that culture is inseparable from race. The alt-right believe that some degree of separation between peoples is necessary for a culture to be preserved. A Mosque next to an English street full of houses bearing the flag of St. George, according to alt-righters, is neither an English street nor a Muslim street — separation is necessary for distinctiveness.

From their [guide to the alt right] (www.breitbart.com/tech/2016/03/29/an-establishment-conservatives-guide-to-the-alt-right/). In that same piece they mentioned Richard Spencer, the organization VDARE, and American Renaissance. They never mentioned that those are all white supremacists.