It expresses, succinctly, the problem with 'either you are with me or against me', and its evily-more-persuasive cousin 'there is no apolitical speech'.
Sometimes I wish I was more apolitical, for my own sake, and if this defends the status-quo, so be it. What was the chance of making any difference anyway?
So does sleep. Stop sleeping.
EDIT: Hours not spent fighting fascism are hours spent supporting it, right?