Yeah I suspect that people are being over-diagnosed, but I also suspect we're catching dramatically more cases than we were previously. An overcorrection if you will.

Suspecting is reasonable. So is suspecting it is under-diagnosed.

Ranting about how all these diagnoses are fake is not.

Time may revise our opinions of the current state, but with the exception of malpracticing professionals, the diagnoses are valid for given state of medical health knowledge.

The "left handedness" graph change that occurred once we stopped punishing people for being left handed. Same sort of thing here. We'll stabilize once we get good at diagnosing it and stop stigmatizing it. We're in a period where the graph is changing, and that change is disruptive, but it'll level out.