[Historian] Kevin Starr has written that "the San Diego free speech battles revealed the depths of reaction possible in the threatened middle- and lower-middle classes of California." He argues that vigilantes were recruited from an anxious petty bourgeoisie, "who were uncertain and insecure in what they had gained or thought they had gained by coming to California." As in late Weimar Germany, "the oligarchy, which is to say, the upper-middle and upper classes, loathed and feared the [Industrial Workers of the World]; but oligarchs did not take to the streets as vigilantes. They did, however, encourage the lower-middle classes to do such work.

Justin Akers Chacón