Technically this should be quite easy to fix. Each story gets a git repositiory. URLs denote the state at the time of view. A visitor to the URL gets a smal

Technically this should be quite easy to fix. Each story gets a git repositiory. URLs denote the state at the time of view. A visitor to the URL gets a small header giving them the ability to read the article as shared or the most recent version. The full commit history should be accessible. The reasons for not doing this would be mostly non-technical. Face-saving and risk of liability would seriously inhibit implementation.