7110.65 5-8-2d states “When conducting simultaneous parallel runway departures utilizing RNAV SIDs, advise aircraft of the initial fix/waypoint on the RNAV route.
PHRASEOLOGY−RNAV to (fix/waypoint), RUNWAY (number), CLEARED FOR TAKEOFF.”
Not surprisingly, the initial waypoints for BROAK and FORPE are different.
This type of ATC takeoff clearance is routinely used at airports such as ATL and LAX.
Why not in this incident?