one could argue that you should already have the knowledge before starting the topic and share that knowledge not to want to gain it after the fact. specially if it is a guide topic. i sometimes see such attempts that ends up being more misleading than being helpful.
I consider this better than holding onto the wrong notions about a particular topic.
One shouldn't make guides on topics they do not know much about though, but the fear of mistakes shouldn't hold one back from learning. I make it a habit to indicate that I am open for discussions so more experienced members can either approve or correct the ideas I put out.
It is your responsibility to know and research about the topic but at the same time, you should accept that there is something you still don't know about it. It's an opening to engage in a healthy discussion. There will always be someone who has a different opinion or understanding about a certain topic and it's better to engage in a discussion to clear and inform who's right about it. It will help others to understand and be more knowledgeable.