The election of 1840 and the "ballyhoo" campaign. "Tippecanoe and Tyler Too." Whigs won without advancing a claim or an issue.
I think you're a little too proud of your data, and are trying to turn your "I OWN ALL THE DATA, ALL YOUR WORLDS ARE BELONG TO US" shtick into a presumptive right to copulate with all the females. Congratulations on your visions of alpha-ness, but as IBM will no doubt be happy to tell you, data by itself doesn't produce outcomes.
I would think in this day and age, although cheerleading won’t win a football game, it is highly effective in a political campaign, and in fact, we may have reached the point where real substance can be a detriment.
But as you noted, it’s nothing new.