>>10876702Science already can. However memory erasure causes other problems. The individual becomes obsessed with trying to recover the lost memories to restore their sense of self.
Memory erasure in concert with drastic environmental changes are necessary.
This method of treatment is unlikely to see much use. Its applications are limited. You are limited to circumstances where a new society is built in isolation or as a treatment for criminals.
It's a terrible solution but many people do it to themselves anyway in a more passive way. Only the memories inevitably surface eventually.
