I mean… did they show Joel getting saddled with Ellie after Tess dies? That’s a pretty important scene too.
I get the desire for that specific scene, but think about from a business perspective: If I’m building a haunted house, and I’m about to drop $50,000 grand to design, build, decorate, and cast a scene (of which I have a limited number), do I want to spend that money on something with no logical scares? That question becomes more important when it’s not actually setting up an unknown story. The people who have played the game (and seen season 2), know what starts it. The people who don’t don’t NEED to know for the rest of a house that doesn’t focus on character motivations.