They have limited resources precisely so that they can't go after everyone. Add revolving doors to this and everything makes sense. On top of this, Shkreli br

They have limited resources precisely so that they can't go after everyone. Add revolving doors to this and everything makes sense. On top of this, Shkreli brought a seedy but commonplace practice in the mighty pharma industry to the front page during a presidential campaign and made powerful enemies, including public opinion. He wasn't sentenced for that, just like Al Capone wasn't sentenced for gangsterism.