Maybe, because he is previewer, not betatester? (I am not sure if Singleton Mosby is actually a betatester).
Indeed, I am just writing the most massive and in depth preview you have ever seen of a game
The techs you showed in the pic are the basic techs used to unlock a tech tree on the other pages.
As I have four chapters ready I might as well up the pace of new chapters a bit from 1,5 to 2,5 a day. Hold tight!