Look, one of the reasons why I've never tried Netflix is that they were one of the earliest and most prolific users of pop-under ads. (Well, that and I already have enough unwatched DVDs).
Given that I did this to services from which I might derive some actual utility, what makes you think that I wouldn't do something as spiteful and petty as voting for your political opponent in Tuesday's election because you robocalled me too many times (and once is too many)?
Let's face it -- despite all the PSAs, any one individual person's vote really doesn't matter. (Also, FYI -- a purposeful voter boycott is indistinguishable from voter apathy.)
So robocall me at your peril.