Thank you for your reply.
They copy and paste as if it were commonplace on my community forum. Thus, I think that this will make it more difficult for them to duplicate. My community's writers have urged me to preserve their works. in order for them to post it on the forum. Despite my explanation that it cannot be blocked. At the very least, inform writers that their work is being preserved.
In terms of the annoyances that users can have when using the forums, I think there is still space for improvement. Furthermore, I'm not sure that my ideas are totally accurate. If there is something better, I'm willing to give it a shot.