Certainly not Sarah Huckabee Sanders being shunned in a restaurant.
The Klan exploited white panic about morality, such as people drinking alcohol during prohibition, and turned it into a social force that infested most Southern states.
Many politicians supported the Klan because it was an expedient way to power. It turned into a profitable business racquet they could exploit.
But then something changed; Americans started shunning them.
Often newspapers were threatened by white supremacists for publishing these stories, but it changed the public perception of politicians supporting the KKK.
Once the politicians got the message, the KKK declined as force - though it rose again during integration.