I personally never saw someone who was determined to be 100% service connected purely for PTSD, but I am also not a psychiatrist so it's possible that there is a selection bias there.
And we have collected data on humanity for 20 years in Google and FB. If science goes were the data is, the true neuro-science/psychology today is proprietary and sold in chunks as a service to governments.
Might aswell ask Palantir directly about what humanity is really like without the grand illusions of a surplus of resources spend on postponing the eternal crisis that is our home.
No need to take Freuds last standing followers serious, just because they perpetuate a "Can-do-fix-all-things" illusion, we cling to while drowning in the things we can't fix.
If the system had 0% fraud rates, then it kind of implies that many real people have been denied because they failed to jump through the hoops.