I find it ironic that this is being posted by FR’s resident specialist in lost civilizations.
Likely the fate of these executives will be finally discovered by a far future descendant - SunkenCiv Corrino, Royal Archaeologist to the Padishah Emperor of the Known Universe.
;’) It’s obvious that they fled. Of course, after running around the house, they’d just go right back in the same door, so the puzzle remains.