Unlike random forum posts, the Megathread had upvotes/downvotes and direct feedback. A link that injected malware was quickly reported and removed.
The most famous "meghathread" lived in the wiki of r/Piracy. At its peak, this subreddit had over 1.5 million members. The megathread was a work of art—live-edited within minutes if a link went down. reddit piracy meghathread