Because they know a candidate now is a mood. Not a thought, a stand or a statement, but a mood.
They do this because they want to seem unpretentious, relatable. “I’m just like you.”
But here is our secret: We would like someone better than us.
As they demystify themselves they further demystify the office they seek. If they win it they will have made their life harder by lowering their own stature. Familiarity breeds contempt.