Ask HN: Why do links to Streamlit apps fail from HN? (Eg: https://bit.ly/taxgpt)

Why are generally accessible links, like this app (https://tax-gpt.streamlit.app), not working when clicked from a HN post?

Strange. Doesn't seem to work for me across mobile/web. https://files.catbox.moe/fe0qe3.jpeg

The author may have the app or repo listed as private.