It was the Judy Garland piece on r/todayilearned. It was about how she was exploited by MGM, molested, and drugged so she could work longer. https://www.express.co.uk/expressyourself/167269/Dark-side-of-Oz-The-exploitation-of-Judy-Garland
Hi there. Would it be possible for you to repost this question with some information about what "the Judy Garland post in r/TIL" is about? As it is, there is not enough context here for someone to answer.