I think it's not great, especially because psychosis, bipolar, personality disorders, etc. collectively make up enough of the population that almost certainly o

I think it's not great, especially because psychosis, bipolar, personality disorders, etc. collectively make up enough of the population that almost certainly one is speaking it in the company of people who would be called "crazy". But also it's in way more ubiquitous use than "retarded" so its a far bigger hill to climb and probably not worth the teeth-pulling until we can at least stop with OCD, ADHD-squirrel, and other jokes first.