We should learn by keen observations, by reading through the posts of the old members,
It not all the posts made by old members that can guide you through the forum or your crypto journey cause some posts are full of misinformation and it be good in everything pertaining to crypto you'll need to read good crypto book.
this will help pattern our attitude in the forum, it will also help us to grow with the norms and ethics of the forum.
For the forum ethics, what you need is reading the forum rules and regulations and ask question about something you don't understand.