The fact that they make the survey means they want to improve the situation.
this is such an important point. problems cannot be resolved unless they are identified and acknowledged. those who want to cover up the unpleasant facts become part of the problem.
When did I say the "DOD is unpatriotic"? Do you know anything about the structure of the military? Of course there are undesirable people, just look at how many join because they don't want to go to jail. Generally speaking however they have a high turnover rate and consist of the low enlisted ranks.