Great attitude too your condescending tone judging English abilities when this is probably the only language you know. That's not really the point here.
Asia has zero standards and no protection for workers, leaving all components ready for some potential disasters.
A bit of dignity would help mercenaries to keep quiet instead of comforting this management, which could definitely get improved by observing and applying what other airlines in developed countries are doing. Of course the post colonial trauma still strongly present in Vietnam doesn't help.