Now for the HF stuff
Having a look at the preliminary report I now hope the investigators concentrate on standards, operations, culture, training and so forth. Quoting rules, regulations and procedures won't stop this sort of this incident happening again. To prevent this type of reoccurrence we have to try and imagine what the "drivers" of the pilots were. For example, were they under commercial pressure? Were their jobs safe? How much were they paid and how much in debt were they? Was is standard to go below DH for these pilots? What are their SOP calls and were they made? What were they told about diversions? Unfortunately, too many small companies have large bullies at the top who expect their employees to give a little bit more than they are able. This company may have been one of those.