Jimmy Lai sentenced to 20 years: How justice is served

Jimmy Lai, founder of the now-defunct Apple Daily, has been sentenced to 20 years in prison for conspiracy to publish seditious materials and collusion with external forces to endanger national security. The Hong Kong SAR government welcomed the verdict, saying the conviction demonstrates that righteousness is upheld by the law. Is the 20-year sentence justified? How did the court arrive at this decision? And what does the case signal for Hong Kong going forward?