Unrelated to the topic, but could you please stop creating accounts for every few comments you post? We ban accounts that do that. This is in the site guidelines: https://news.ycombinator.com/newsguidelines.html.
You needn't use your real name, of course, but for HN to be a community, users need some identity for other users to relate to. Otherwise we may as well have no usernames and no community, and that would be a different kind of forum. https://hn.algolia.com/?query=community%20identity%20by:dang...
These are all questions of degree and how to balance trade-offs, so while you've raised one legitimate concern (among the many), I don't think an absolute statement like "prohibits anonymous speech" is accurate.