Earlier quoted context omitted.
But AI is also going to kill some of your positive examples. Stack Overflow for example is in a steep decline, only a small fraction of questions are posted today compared to the peak. And the effects are more than financial, so even non-profit examples like forums would be hit. If new people don't discover your site with useful user-created content, they won't contribute to it. You're also cutting off the pipeline f…
Surely part of that is because most tech related questions have already been asked and answered on SO. I'd say a decline in new question is stack overflow working as designed. A large part of what makes SO so good is the searchability of old questions. There will always be new questions to ask, as new technologies confuse Devs in new ways, but to expect new questions to be asked at the same rate as peak is to misunde…
If there's an old question the most upvoted answer will be at the top. Better solutions are often available if the previous answer was 10 years ago, but they will be buried.
Solution is obviously to scroll down as well as read the comments, but that can be time consuming.