It isn't about "just complaining" and a vote not cast is still a vote; it's an expression of zero confidence in the system. I'd say that's the wisest vote of all.

Perfect conclusion, @doitvoluntarily. Voting in the current system is far from free. First, the system offers only the candidates favorable to the financial plutocracy. And then you have “tweaking” of the opinion before the elections… “The Creepy Line” … and “tweaking” the election results by Microsoft, Pentagon & DARPA.