They kind of did explain it. If they cashed it in then there would be coverage about who won it and the fact that they were American and were placing bets with a system would have surfaced. So basically they could make more money by continuing to slowly siphon money off then they could with a big win like that.
Not the person who commented earlier but it feels a bit odd to mix the settlement payments and the actual spending transactions in the same list. Not sure if a different view would be useful or whether it is just something I would get used to over time.
You can use Intel PlaidML right now on OSX to utilize your metal supported GPU for machine learning. I have tried the python library with Keras and my GPU (Geforce 760) with no issues.
I'm still struggling a bit with large screens. For something like playing games I'm guessing you can comfortably sit back. High resolution screens for computers feel attractive, but getting up close and personal can feel a bit much with light levels. I'm guessing OLED might be nicer in that regard.