I do not think Archbishop Chaput is saying that we need to disengage from the electoral process. Rather, we need to disengage from the culture and its values, and reassert what it means to be Christian. This would mean that we should reject those politicians who present themselves as Catholic but as so in name only. Indeed, rather than withdrawing from politics we need to engage in it and fight for Christian principles.
He published a column on August 12 in which he said he’s not voting for either candidate.
That’s a half-vote for Hillary. And it’s a mortal sin.