Perhaps they are correct, and that is where I'm wondering if we have just over complicated things on what should be the most basic of manoeuvres; a visual approach.
This is a basic procedure, and was used by quite a few operators just preceeding these guys. With all of the angle points/stepdown fixes on the approach, it actually is easier for everyone involved.
It is a RNAV visual approach, and visual from 4 DME. The driver even questioned if there were aircraft on the runway, and still decided to land. From what everyone is saying, this is an old A320 that may have not been GPS capable, so it appears they werent relying on the automation anyways...