I'm agreeing with InkMark and Lyric on this.
Users are welcome to enforce the rules. Even though the staff's job is to do that, it is never wrong to help out. They can't watch every single player at once, and UltimateCreations was giving you advice so you would not have a post considered spam.
One word posts can indeed be considered spam, along with the fact that, like Lyric said, only listening to staff and being disrespectful to other users is not a good thing, punishment-wise.