Something you have to understand. When Pelosi warns of eliminationist and extremist rhetoric, and the normally stern lady almost tears up, and her staff clarifies that she is referring to what happened to Harvey Milk, she is being serious. This is not a pose.
There are no politicians who came of age in that cauldron who ever invoke him, because they find it truly alarming event in their life, and Pelosi is a San Francisco politician, even if she is Baltimore born and bred.
She is truly worried that the nut jobs are talking to even bigger nut jobs in their audience, and that this crap has to end, and she is right in those concerns.
All that evil has to do to succeed is to ensure that good does nothing.