Let's stick to the subject.
What part of
If you find that none of the people you claim to support ever win, perhaps you should ask yourself why this is so. Maybe you could have worked a little harder, contributed a little more money, or held a few more events for them.
Blaming the "two party machine" for your loss isn't going to make you a winner. It makes you look foolish, and diminishes your candidate. In politics, just as anywhere else, a man is known by the company he keeps. If you come across as an abrasive nut, your candidate suffers as well.
do you not understand? The part about Maybe you could have worked a little harder or the part about If you come across as an abrasive nut, your candidate suffers as well.