grant the ALT-RIGHT a modicum of intellectual consistency...

Whenever you cross the street to avoid the snarls of the guard dog accompanying your local neo-nazi skinhead member of the racial purity ALT-RIGHT (ALT-WHITE) brigade, you can be plenty sure of just one thing : that the dog is a purebred , never ever a 'mixed race' mongrel.
I would argue however, that the terrible evolutionary reproductive survival rate, together with major health and behavior problems, created in humanity if the ALT-RIGHT's obsession with 'racial purity' was allowed to have its way, is no better displayed than with the many 'races' of purebred dogs.

Ironically, Churchill's English Bulldog is indeed the perfect symbol for the Racially-Pure Anglo Saxon ALT-RIGHT mob that recently won the Brexit Debate

For if we did breed humans the way that Steve Bannon of Breitbart News and Peter Brimelow of VDARE wanted us to, our evolutionary survival would be just as uncertain as it is for their beloved symbol of the snarling English bulldog ...