Cathay violated USERRA and this would have overridden notification to CAD I suspect. This case was about unfair dismissal under US Labour Law and the rules pertaining to reserve military duties.
Clearly this individual acted like a complete muppet for trying to go through security in a uniform for a company that no longer employed him - that is a separate issue.
Hopefully the settlement was in his favour.
The disgraceful behaviour of CX/KA will continue - it is part of their daily business operating plan. It's ops normal. CC for life.