1. High quality post:
A quality post is a post that is written in a simple and correct English which helps to answer a question or give information about a specific topic. It doesn't need to be bulky or comprehensive but it should cover the specific area it is tends to deal with. Some people now use AI to right their post which is not the right thing to do
2. Plagiarism:
Plagiarism is claiming the ownership of an information. It is the act of coping other people's writings without referencing or quoting them. In Bitcointalk you need to show that what you posted is not you idea by adding the source of the information.
3. Inadequate understanding of cryptocurrency:
You can learn more about Bitcoin by staying in the forum and keep reading from it. Any novice that joins the forum and is committed to learning with gradually become knowledgeable about the coin.