> The fundamental value proposition of SO is getting an answer to a question
But the horrible moderation was in part a reason why many SO questions had no answers.
I am not saying poor moderation caused all of this, but it contributed negatively and many people were pissed at that and stopped using SO. It is not the only reason SO declined, but there are many reasons for SO failure after its peak days.
There was, obviously, only one main reason: LLMs. Anything else makes no sense. Even if the moderation was "horrible" (which sounds to me like a horrible exaggeration), there was nothing which came close to being as good as SO. There was no replacement. People will use the best available platform, even if you insist in describing it as "horrible". It's was not horrible compared to the alternatives, web forums like Reddit and HN, which are poorly optimized for answering questions.
To the extent that moderation ever prevented questions from getting answers, that was by closing them.
When a question gets closed before an answer comes in, the OP has nine days to fix it before it gets deleted automatically by the system.
The value proposition is getting an answer to a question that is useful to a reasonably broad audience. That very often means a question that someone else asked, the answer to which is useful to you. It is not getting an "answer" to a "question" where an individual dumps some code trying to figure out what's wrong.