As I already pointed out, you (and I) don’t know the chronology of interviews, comments or when they were added.
It’s likely that they interviewed earlier in the week, and then asked if he had any further comment in the aftermath of the attacks, it’s also possible that the comments including reference to The Paris attacks were added to the initial interview later. My experience of Sunday newspapers is that the bulk of the work is done during the week,
Benns interview was perfectly clear in mentioning both a proper plan and UN approval in order to give support to any attacks, both of those prerequisites were fulfilled in the intervening two weeks before the vote and speech.
Even you admit this, but have decided to play Angels on pinheads by pretending that Benn did not “emphasise” UN involvement enough in the third hand report of a conversation neither of us were present at, so can’t know how much weight he placed on it.
Of course, it’s interesting how much faith you place in the entire accuracy of a newspaper report regards Benn, whilst at the same time attacking newspapers for their innacurate analysis of anything regarding Corbyn