These are Pushshift torrents from 2005 to 2025: https://sciop.net/datasets/reddit. There are two data sets, one by month and the other by subreddit. Each is about 3.5 TB compressed and based on the compression ratio I've seen, about 30 TB uncompressed. This is without any sort of media, just text.
Reddit sent AcademicTorrents a request to take them down so AI models couldn't use them as a way to avoid paying Reddit hundreds of millions of dollars for training data.
It seems according to the video the surgeon had already seen the patient in a state of undress so this is even bigger than HIPAA. If they were recording, he's probably doing time for each patient visit.