If it is identified that a lot of rules and regulations are contravened, then a military investigation may choose to ask why noone has either picked the contraventions up, or why noone (within the group of people) felt they should speak up to change the culture. If the group of people are self-selected (i.e. people who would fit in) then it is unlikely that they would even identify the issue, or be likely to raise them.
Seems perfectly understandable to question how things are done when they are so different to the rest of the military selection processes...reading the Telegraph article.