Sure, one can always assume and often hit the mark. However, the rules state:The question in the thread title and link in the OP are perfectly sufficient to pinpoint the topic of discussion, and to generate a good discussion.
This way, no assumptions are made and threads have a clearly defined direction. It also probably helps when determining what posts are considered off-topic.PF Rules said:Please clearly state what you wish to discuss. In general, one should attempt to flesh out questions and arguments adequately enough that readers will have a good understanding of the issue.