With the 2012 KS, John showed quite a bit of in-game footage and it didn't help much.
And then there is the switch to UE4.
On the one hand, we want to show off our unique features.
On the other, we want a public build.
Time spent getting content together a few minutes of ingame footage now is time we could spend doing it properly.
Damned if we do, damned if we don't