Sorry, but this just isn't accurate. The main thread—what you misleadingly describe as the box-office thread—was created in 2018 and was meant for general discussion:
Sorry if there is already a thread about this but I just wanted to get this out there. TheDisInsider on Instagram did a live stream today and talked about the live-action Little Mermaid. He says that Ariel has been cast after 6-7 months of Disney debating who to pick. He didn't say who (he...
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It's only after the film came out that it became inundated with posts celebrating its underperformance by those who hadn't seen it. A spoiler thread—what you misleadingly describe as the one "for talking about the film"—was created in May 2023. Those of us who wished to continue posting about the film in the main thread, against the tide of all the box-office discussion, were told that we should limit ourselves to the spoiler thread, even though we weren't sharing anything that would conventionally be thought of as spoilers.