As a keen student of approach problems I have studied the MEL 34 ATSB report. It looks to me like it was one of probably hundreds each year around the world where things get down to the last one or two slices of swiss cheese. Not desirable but a good learning exercise for all. I would bet that the world's A320 fleet would not on average have more hours in the cockpit, nor more inherently competent pilots.
The key is training and preparedness within a wider airline environment (scheduling, training etc) of "not pushing things too far".
Let's be clear-they didn't end up landing on a golf course and they didn't nearly lose the aircraft after an approach into a microburst. They mis-handled a difficult approach and gave it away.
I suspect that a little less "I told you so" on all sides might lower the temperature here and move us toward learning rather than on-line punishment by slur. We need a "Just Culture" on these boards as well as in the cockpits.