Different team "manages" the overall blog than the team who wrote that specific article. At one point, maybe it made sense, then something in the product changed, team that manages the blog never tested it again.

Or, people just stopped thinking about any sort of UX. These sort of mistakes are all over the place, on literally all web properties, some UX flows just ends with you at a page where nothing works sometimes. Everything is just perpetually "a bit broken" seemingly everywhere I go, not specific to OpenAI or even the internet.