So wait. You upload everything you post to a centralized service, which uses a centralized algorithm to decide which of the billions of available uploads to show to each person, in order to increase the advertising profits that accrue to the centralized corporation that owns the whole thing, and that's decentralized information flow?
Have you considered the possibility that you may be an idiot?
Besides breaking multiple HN rules, your comment also totally misses the point. It is decentralized with respect to governments and politicians. Which was their entire point.
Have you considered the opposite possibility?