His therapy is already off to a great start - the judge letting him suffer virtually no consequences for quadruple manslaughter will surely convince him that the belief that he can get away with anything is misguided.
To be taken with a grain of salt, but I read some local newspaper comments, including some from people who know the family/business state that not only that, but the level of remorse shown was approaching zero. Or to quote the commenter I read, "His IDGAF levels were pretty high. He still posts on Facebook about partying and drinking, it's just much more locked down privacy-wise".