Whats the scientific basis for the notion that the efficacy of chain wax versus lube is directly correlated to geographical location, and how do environmental factors such as humidity, temperature, and precipitation rates influence the choice between these two drivetrain maintenance options? Is it merely a matter of anecdotal evidence or are there empirical studies that support the claim that a riders elevation, proximity to the coast, or regional climate should dictate their choice of chain treatment? What role do pollutants, road debris, and other external contaminants play in this decision, and are there any emerging trends or technologies that could potentially render this debate obsolete?