Way I see it, if anything his campaign — more accurately, its inevitable crash & burn — could help left-libertarians. The possibility is that people see the gist of what he says, notice how the media & political elite slam him as a crank for it, and realize the problem is the political system itself. For the freedom oriented that still vote, Ron Paul, as a reformist, is Plan A; if we play our cards right, outright rejection of the State can gain popularity as Plan B.