Containment seems almost fractal to me. /pol/ drains other boards of people who complain about black people and Jews all the time and also drains the nastier so

Containment seems almost fractal to me. /pol/ drains other boards of people who complain about black people and Jews all the time and also drains the nastier sorts out of /r/The_Donald. /r/The_Donald, in turn, drains Trump fans from /r/politics and the like. Of course, containment isn't perfect.