Abusing Webmention to Build a Comments Section

Webmention has one job. A page links to another page. The first site tells the second site. The second site fetches the first page, confirms the link exists, and records the mention. That is the entire protocol. It does not ask why the page exists. It does not ask who wrote it. It does not ask whether it was lovingly published from a personal website, emitted by a static-site generator, or…