Notwithstanding the complete lack of awareness during the arrival/approach, had they flown the GA correctly they'd probably have got away with it. According to the report:
01:17:05 - Pass DH
01:17:07 - FO states 'minimums'
01:17:08 - Capt states 'negative' (not visual)
01:17:09.5 TOGA pressed
So, the GA was initiated 4.5 seconds too late. Had they initiated the GA correctly ('at or before DH') we'd be none the wiser about their astonishingly inept approach!