Russell wrote the definitive post on this, obvs. He also said, "In fact, increasingly, adding more 'engagement' will make it worse.".
This is just another little example. Etihad (who I flew with only once) are trying to turn their outdated IT infrastructure into a positive thing by celebrating it in a marketing event. It nearly works because technology knowledge is so low.
But what this really means is - nothing will work for 3 days.
What a strange thing for an organisation to say. Probably quite a pain if you're trying to change something or find out something and you're abroad and have a limited internet access and a million other reasons.