Nintendo never presents or does anything at TGS. Why are people shocked by this?So they're skipping TGS. it's so absurd that it sounds like a Nintendo plan.
Nintendo was always going to want the spotlight to themselves. They'd want distance from game shows and hardware announcements of competitors.
We're in a time now where apple reveals their new iPad or iPhone weeks from launch.
However, it is imperative Nintendo announces the NX before all the mainstream media is hyped on the influx of annual AAA games that start coming out from late October to Xmas.
Anything after say, October 20th and they are at risk of being ignored, quickly forgotten or an after thought.