EDIT: GoDaddy themselves say they will never do this:
"The process cannot be reversed."
This certificate absolutely was revoked by GoDaddy
However, that certificate is _still_ revoked right now. A _new_ certificate for the same names was issued on the 12th of January, presumably once the re-validation was completed. This isn't in violation of any policies. Sites on that new certificate such as https://royalduchy.co.uk/ do indeed work fine.
Can you update the medium story to reflect this? I mean, not your feelings about GoDaddy, say whatever you feel, but the facts aren't as portrayed in that story so far as I am able to see.