"However, self-identification using the Asperger label became much rarer (going from 51 percent in 2018 to 19 percent in 2022, according to one set of polls) following the publication of the 2018 Edith Sheffer book Asperger's Children. The book revealed that the label's namesake was complicit in the [Nazis' murder of disabled children]"(https://en.wikipedia.org/wiki/Nazi_eugenics "Nazi eugenics").