I continue to read hogwash about who owns the cowl latches Airbus, IAE etc.
It makes little difference to who designed them or who manufactured them. The AAIB, if they choose, will address their recomendations to the certifying agency that covers their airworthiness. Wait for that to find out if you need to blame somebody.
Or just keep up with manufacturer issued service bulletins and who signs them.
Meanwhile we need to wait for some AAIB investigation findings to be released in order to put a dampner on this free for all of should ofs, would ofs, could ofs