Social skills can improve but the internal processing will never change due to childhood development and genetics.Another thing to add is that social skills and general personality traits are also impacted by genetics. Most people don't think about this, but social development issues are not easy fixes like going to the gym to get a better body. Some people are wired to be very bad at socializing. Yes, for neurotypical people who were raised to believe in bad ideas, deconstruction can definitely help. But for those who are literally mental challenged, this is definitely not the case.