It has been the political career of this man to begin with hypocrisy, proceed with arrogance, and finish with contempt. -- Thomas Paine (1776)
Politics, being the specific type of animal it is, attracts men (and women) of the above mentioned ilk. The advertisement is made describing a particular train of thought and that the person advertising is specifically cut from the whole cloth of truth. They’re patriotic. They’re steadfast. They live by principles and stand ready to sacrifice for the position.