Young Earth creationism is a position held by 58% of those who self-identify as Republicans today.

Slavery is a position that was supported by the overwhelming majority of southern conservatives immediately prior to its abolishment.

The abuse of immigrants is something that the majority of conservatives are willing to accept even as they are killed.

Conservativism is a constellation of selfish idealogically motivated positions which necessarily encompass many things embarrassing and others vile.

Some embrace the vile whilst other's believe they can use the stupid to achieve ends like a return to a country dominated by white Christian men, a more hierarchal society where money and power flow to the right sort, a more friendly economic environment where they hope to achieve greater personal success, staving off social and political change etc.

The most ugly aspects are poisoning everything and they cannot be ejected without losing the numbers needed to retain power and cleaving to them will itself cause the loss of power unless they also end democracy.

The majority of those who call themselves Republicans will reject or have rejected both democracy and nonviolence because the alternative would be accepting defeat amongst a group self selected for selfishness.