Foreign Worker you refer to JAS and state that they have had several similar incidents recently. I recall of just one JAS MD80 hard landing several years ago. The cause was inexperienced FO in control and windshear.
Having been involved in training Japanese pilots I disagree with the secrecy. The local JCAB (CAA) is tough and incidents and accidents get plenty of visibility within the industry. It is true they are not media driven like in the US.
Did you have some examples of such recent events where the public was not able to get information on the events?