The idea that ChatGPT will answer all your questions without you needing to participate in Q&A sites anymore like stackoverflow will cause a weird trend.
In the end, chatgpt is able to answer your questions because someone asked it before and because someone wrote an answer to it before. So for now, we have tons of data for the machine to cover us with our questions but what would happen when nobody else asks/answers questions, write manuals, blogposts etc anymore because they have no readers?. where will chat gpt get its feed?
Of course, eventually things will come to an equilibrum