However, people that inadvertantly break the law are usually given probation or a suspended sentence. In many cases, making restitution is enough to get the charges dismissed.
On the other hand, It cost this guy $100,000. If he chose to fight, he had to pay the costs of his prosecution and his defense. What would you have done, if confronted with the same problem, due to an inadvertant error on your part?
Irrelevant and unprovable supposition.
No more so than your claim that he was intentionally stealing software.