Idunno
-the people who created this disaster were just passengers-up until they struck.
In these present extraordinary times,just about anything done in the name of flight safety is justifiable.In this case whether it was something that was said, together with the colour of their skins, then real suspicion may have been raised against this group
Unfortunately for many innocent people now, the colour of your skin WILL matter in future, and may induce closer scrutiny due to the origins of the people who created the outrage.
To talk of court action given the circumstances, is absurd in extremis