First of all, the article argues that you need a major breakthrough, arguably attention was such a breakthrough? That said, this doesn't really seem all that c

First of all, the article argues that you need a major breakthrough, arguably attention was such a breakthrough? That said, this doesn't really seem all that comparable. The article points out very fundamental properties of all the diverse current approaches: They are tightly data constrained. You either need to cheap simulation or massive real world data. That's not an arcane technical point.