What's not serious about stealing and selling trade secrets, jeopardizing life-saving R&D, blatantly disrespecting the law, and walking away with hundreds of millions of dollars expecting not to be caught?
He declared bankruptcy, hence walked out much poorer than he started. At the end of the day it was IP theft, which for regular people creates more competition and can accelerate the "life-saving R&D".
IP laws exist for a good reason, but it's hard to say that he has done serious damage to society.
He started a church and it is alleged that he funneled a lot of money into it. I think he is doing alright.