In a nutshell,
Both the district court and the US Court of Appeals found in favor of Reddit, and the case was dismissed. They found that Reddit could not be held responsible for content posted to the platform by its users—even child pornography—because Reddit, itself, did not traffic in the illegal material
O say can you see by the dawn's early light
What so proudly we hailed at the twilight's last gleaming
Whose broad stripes and bright stars through the perilous fight
O'er the ramparts we watched, were so gallantly streaming?
And the rocket's red glare, the bombs bursting in air
Gave proof through the night that our flag was still there
O say does that star-spangled banner yet wave
O'er the land of the free and the home of the brave
Prescription Drug Marketing Act of 1987
https://www.fda.gov/regulatory-information/selected-amendments-fdc-act/prescription-drug-marketing-act-1987#:~:text=The%20Prescription%20Drug%20Marketing%20Act,President%20on%20April%2022%2C%201988.