That is an opt-in process at the level of the organization. If FB, TWTR, etc decide to push ID verification, we will see how users feel about it. It is a free-market.
However, if the govt decides to push ID verification, the user loses all choice because this will be applied to all social media platforms (like HN).
However, if the govt decides to push ID verification, the user loses all choice because this will be applied to all social media platforms (like HN).