From thier POV, they forgot to recommend grabbing your ankles firmly and kissing your a$$ goodbye.
Otherwise, what is absent is the line which states, "draw your weapon and shoot the active shooter, several times, center of mass, until he is no longer a threat."
Correct.
There is no mention of an armed citizen response. But that is expected as government lawyers did not want any mention in the document of indicating citizens should defend themselves with a firearm if so armed.
“As a last resort, attempt to take the active shooter down. When the shooter is at close range and you cannot flee, your chance of survival is much greater if you try to incapacitate him/her.CALL 911 WHEN IT IS SAFE TO DO SO”