I cannot help but 'feel' that these people are, for some unfathomable reason, protected.
A two year sentence (potentially) - wow, that should deter them. Can you imagine the company's insurance bill if there is an accident and it turns out a Walt is in control - it beggars belief.
I also surmise based upon unproven hearsay, but knowing the characters who responded in the most 'twitchy' fashion during the Airtours investigations, I can believe, this is merely the tip of the iceberg.
One 'slimboy fat' springs to mind all these years later. He was even phoning around looking for moral support for Heavensake.
I mean, who checks when an employee says they have a degree for instance?