Yes, this is exactly what we need - a legal system that can get even more complicated and convoluted. The average person today has virtually no chance at knowing and understanding the laws that they encounter in their life. This will undoubtedly make it worse by expanding the capacity of the lawyers and politicians to create even more complex laws.
Pwning the prosecutor will definitely be a thing in that world. Private investigators are already willing to hire hackers. Plenty of rich people will pay a lot to get away with crimes.