Microsoft employees and Microsoft-sympathetic bloggers like Alex Brown are hopping on Alan Bryden's dismissive remarks of denial [1, 2, 3, 4] and use these to clean their own consciousness out in public. They try to pretend that they don't know what happened. It was a similar story and a case of rewriting history just a fortnight ago when Bill gates was preparing to leave [1, 2, 3] and play politics instead. It's totally missing the point.
In any event, here is a new video explaining the importance of ODF. OOXML was nothing but an attack on ODF and its goals. It was reactionary. ⬆
It would appear that in January 2020, Pellegrino was induced by Campinos to jump ship from the EUIPO and take up his current position as Brussels Liaison Officer for the EPO
"A judge has ruled that Dale Vince must pay punitive costs to Lord Bailey of Paddington, the Tory peer, over the 'unexplained abandonment' of his" SLAPP