What strikes me is that the software he's talking about appears to be badly designed; or at least, not well designed for this rare situation where you've got dozens of error messages coming up at once and they're not prioritised.

Also,

...once we’d extended the undercarriage using the alternate system we had no indication it was down until we’d gone to the system page to make confirmation of that.

(What, there's no big-ass mechanical dial with "Gear up" and "Gear down" on it?)

and

In the Airbus and the A380 we don’t carry performance and landing charts, we have a performance application. Putting in the ten items affecting landing performance on the initial pass, the computation failed. It gave a message saying it was unable to calculate that many failures