You've heard it before... and it's true. You can't invalidate it. Pretending to yourself that it makes no point doesn't change the fact that it does.
Example: If someone is stealing oranges, and you have the ability to do something to lower the number of oranges stole THAT shows that you don't want oranges stolen. Standing there yelling at the top of your lungs that you don't like oranges stolen when you COULD have done something to actually show it doesn't do anything.
Actions speak louder than words.
Using your vote to make an actual change speaks louder than you using your vote as a protest or claim of how pure in principle you are so you can avoid feeling responsible.
Bottom line: If Johnson would have less blood spilled and you sabotaged his chances... whatever difference there is between Obamney and Johnson in amount of blood spilled ends up on your hands.
A "I didn't condone this" vote doesn't wipe your hands clean when that vote could have been used to ACTUALLY do something.
Your self-centered approach doesn't really change anything.
The fact that you've heard this evidence before, couldn't invalidate it, and kept believing what you wanted to believe... ignoring valid evidence... shows that you're willfully ignorant. Congrats to you.
Critical Thinking > Emotional Thinking > Pseudo-Intellectuals that Saturate DP
Utilitarianism > Consequentialism > Deontology > Egocentrism
Making people feel "troll'd" with the truth > being an intentional troll > acting like one naturally