Modern liberalism is based on the idea that reality is obligated to conform to one's beliefs because; "I have the right to believe whatever I want".
"Everything the State says is a lie, and everything it has it has stolen.
-Friedrich Nietzsche
"Every time something really bad happens, people cry out for safety, and the government answers by taking rights away from good people."
-Penn Jillette
A World Without Guns <- Great Read!
Agreed. The irony in all of it is that while Sabo is mocking their behavior, many of them will adopt his signs or similar ones.
In another thought, it seems to me that a lot of the leftists or Democrats who MIGHT disagree with Maxine Waters, Stephanie Wilkinson, and other extremists of their ilk, the ones who disagree are about as vocal in their disagreement as Muslims who disagree with Islamic extremists. They're there and they might even be a majority of their group, you just couldn't tell from the tepid response response.