<< I'm certain there are people on this board who can provide a far better estimate of the weight of the silk than I can. My best guess is 40 to 60 kilos >>
That is a ridiculous estimate. 40 to 60 kilos would equate to 88 to 132 pounds. The Douchebag CEO is a 62 year old frail weakling.
The way he is holding it rather easily with basically one hand, it looks to be about 5-10 pounds or so.