That’s entirely false. Malingering occurs with great regularity, and the validity testing methods are far from airtight. Get a clue.
“Malingering occurs with great regularity”
About 1 in 8 that apply for a PTSD disability get one.
So there are LOTS of folks claiming it that are never awarded.
Those are the people you are referring to.
And the assessment process I went through was rigorous. I could not have faked it.