Because they have resources and you don't, so you have no leverage. We don't live in a moral age where people in general are impressed by the example of others.
It won't. Societies revolve around money and power (for which money is a loose proxy), and we live in highly centralized and connected societies. You are naive to think otherwise. It's not that your view is wrong (indeed I largely share it) but that your hope of your own belief becoming a norm is hopelessly unrealistic - if anything, the trend is running in the opposite direction. Were it otherwise, social media influencers wouldn't be a growth market.