You might get drug tested if you're involved in a car accident, a fight, getting swatted by your neighbours or a sasaeng fan¹, so it's not impossible to enforce

You might get drug tested if you're involved in a car accident, a fight, getting swatted by your neighbours or a sasaeng fan¹, so it's not impossible to enforce. In Korea if you're an actor or celebrity, then your agency and clients could end their contracts with you even based on a mere rumor. The press, people on social media are also incredibly aggressive, especially against women and would harass a celebrity once the rumor gets out. This is why spreading rumors is serious business in Asia. 1. https://en.m.wikipedia.org/wiki/Sasaeng_fan https://en.m.wikipedia.org/wiki/Sasaeng_fan My guess is Lee has possibly committed suicide after being investigated for drug use, harassed and his life basically ruined.