The current thinking is that in no-blame cultures even recklessness and incompetence gets excused as reporting is a get out of jail free card. The results is that the reporting scheme is seen as a confessional for the guilty rather than a learning mechanism for the diligent.
In the land of the 5th Amendment, the FAA voluntary ASAP is a variation on this theme, a sort of super grass witness protection scheme that actually reduces the chances of true open reporting because no one wants to say anything to anyone without protection.
The idea is that a 'just culture' where people are still accountable for their behaviour but the organisation tolerates genuine errors, and supports the individual rather than disciplining them in all but the most extreme cases.
What stands out in the posts above is that some people seem happy with the concept of automatic blame of a 'stupid' ground handler based on alleged leaked hearsay in a way they would not accept for a pilot. The same accountability standards need to apply to all for the same reasons. Perhaps some people can see the biggest threat to reporting in the mirror...