Sure. It's a minor possibility. But we both know that personal ideology is the overwhelming motivating factor... so much so that it might as well be described as the singular motivating factor.
You don't even need to reference hacker news for evidence of this. Look at other forums, the news, the rest of the world... people operate this way by nature. It is rare for someone to make a genuine attempt to be unbiased; and even rarer for him to succeed in that attempt.
