[washbrain]

Almost certainly undiagnosed. A similar thing happened when we stopped stigmatizing left handedness. There was a sharp increase in lefties over the next decade, then it leveled off at whatever the natural point is.

I expect autism, depression, trans identities, lgb identities, etc. are all things that are becoming more accepted and we're going to see a sharp rise in them followed by them leveling off at whatever the natural level is.