qualified is qualified
Sadly, no it's not - for reasons already given. Captain only had 800 hours on type. We don't know what training he received and by whom he was "qualified". With 800 hours long haul flying on this particular type this may well have been his first GA. How he was able to handle that may well come down to the fact that his training (on type) was not adequate. That essentially would not be his fault but that of the authority/person which "qualified" him.