Here is a relevant article discussing increases in misdemeanor defendants being found unable to assist their own defense. Not tons of relevant substance, but it seems like a good place to start
More and more people in Virginia are being deemed mentally unfit to stand trial, crowding already-struggling state mental hospitals with patients who, in many cases, have only been charged with minor crimes like trespassing or disorderly conduct. But the lengthy process of restoring them to...
www.virginiamercury.com
also this summary from the state of Virginia
Edit: The one thing that really stuck out to me in the slide deck is that inpatient restoration to competency is reserved for when outpatient methods fail or are unlikely to be effective. They've likely already tried a good bit and failed. Further, although there's really no hope of it ever seeing the light of day, the competency report citing "specific examples" of Chris's inability to assist in his own defense seems like a new holy grail for this site