They may resent, envy, hate and distrust "them", as a rebellious teenager might - which is what this article captures. Tney may want just want "them" to "take care of everything", which is the so called compassionate side of liberalism. They may cheer on anyone who seems to be standing up to "them", such as tyrants and terrorists.
Some liberals grow up and become responsible adults. Some die first. Meanwhile, they are fertile ground for greedy, manipulative power seekers, which are a disease of society that feeds on its immature members. The danger of rat poop is not so much the poop, but the disease that feeds on it. The danger of liberals is not so much the liberal, who is child-like, but the tyrants who feed on them, such as Hitler, Stalin, Mao, Pol Pot, Saddam, Klintoon & Hitlary, bin Laden, many currently atop the DemoRat party, ...
I think liberals are more often control freaks. I read another thread today that detailed a thread over at DU where the participants were dreaming of a good old fashioned command economy. And it occured to me that this sort of stuff is most appealing to somebody with an education, a good pedigree, or some reason to not fear that they would be fed into a state controlled industrial machine and spat out the other side to wait in a bread line.
People are more likely to support such a thing when they can see themsleves as masters of such a world.