FWIW I explicitly said "Ender's Game series". I think you're also redefining "plot point" to just be "plot". A plot point is simply an event that impacts what

FWIW I explicitly said "Ender's Game series". I think you're also redefining "plot point" to just be "plot". A plot point is simply an event that impacts what happens next. The reveal of FTL data happens late in the book but it is definitely both a plot point and a plot device. For the greater series though, it's basically the core concept of the story arc's plot.