What's Wrong Here? Hint: Installer Should Go Back to School

For one, that is a double meter socket without the meters installed. If the holes are not "covered" (it's hard to tell) then that means that there are exposed live, bare, terminals and stabs. If they are covered I'm sure that the closures are not "listed". The enclosure is designed to be mounted horizontilly by the manufacturer not vertically. The threaded hub on what should be the top has been removed and cables that should most surely be in conduit enter the enclosure with not even so much as a bushing and they do not appear to be supported in any fashion nor does the cable that exits the bottom (or would it be the side?) of the box. I'm ptretty sure you could reach right through that massive opening and grab ahold of those lugs inside too. That might ruin your day though.