That is a normal behavior and one that most users went through and many more are going to go through. You might want to lower you expectations regarding new users because ... their new )
First they need to understand the environment, see and understand a normal thread flow, get some info about the subject, learn the rules of the forum and then start reporting (if you feel the post is out of order)
Over 90% of the reports are done by users Member or above. And I personally find it normal. A little encouragement or guidance would definitely help but would not rush anyone ...
Many users don't know that some posts are spammy or against the rules. Not knowing can be fixed, ignorance cannot. But that's for another topic...