I guess you could say you don't need Amazon, the problem of getting goods is solved by physical stores. Yet, millions of people find value in ordering through Amazon instead.
There will be use cases where people simply prefer blockchain over the legacy alternatives because it's cheaper, faster or better and there will be "whole new world" use cases.
There will be use cases where people simply prefer blockchain over the legacy alternatives because it's cheaper, faster or better and there will be "whole new world" use cases.