OIC! Yes, silly me, clearly "%s Last Updated" is supposed to be as per the Docs labelleing of this column: "Stats Last Updated".
I see (now) that "Last Updated" refers here to the date the accout was opened! So definitely something is wrong.
I now agree. And I get "Up for 3 years 1 mon." for a domain that didn't even exist 2 months ago.
That's my interpretation.
Nor I normally, but since I've been suffering downtimes recently, I'm looking. Though IIUC my downtimes are excluded on grounds of being "system misconfiguration downtime".