How is it that they are getting the bad ending without specifically trying for it? Seems kinda strange.You have to go to the end of mementos regardless of whether you previously went there or not right ? Cause the game specifically tells you to go to the depths.
Wrong bad ending. They're talking about (ENDING SPOILERS)
the one where you give the wrong answers to Sae in the interrogation room, so the protagonist gets shot for real and Game Over.