are you literally questioning whether concrete policy comes from discussion? do you think 1 guy just snaps his fingers and makes it so?
politics doesn’t require 1 action… politics and swaying large groups of people requires those people to discuss and support to build over time
the way you do for literally anything else that becomes policy… discussion is an absolute requirement to forming policy. it is, without exception, the only way to start making any change
what comes after that is varied and complex