I'll be honest and admit that in taking a second look I noticed that they totally admit to this being a republished article from earlier: "[...] BBC Future has brought you in-depth and rigorous stories to help you navigate the current pandemic, but we know that’s not all you want to read. So now we’re dedicating a series to help you escape. We’ll be revisiting our most popular features from the last three years in our Lockdown Longreads.[...]"
Still kind of dodgy not to include the original date, and to display today's date in exactly the same way that a publication date is usually displayed.