1/ Even now the candidate who is taller has a statistical better chance of winning. It's the vestige of pre-historic times in which whoever was the tallest person in the tribe stood the greatest chance of seeing dangers that were looming such as tigers, elephants, or adversaries.

2/ Today someone's height has nothing to do with capacity to discern looming threats. But we still need a leader who can "see further," which today is neither height nor traditional political acumen. It's reverence for planet, people & animals, and a knowledge of cause and effect