I thought the "before" chapter was closed? Put the past aside. You did make a spam post, I can attest to that. If he warns you, then there's nothing out of place. He did the right thing.
He's a PG moderator, that's a fact that you have to accept and respect. If he does something wrong or misuses his authority, then I'm all ears and will definitely take action against him. But that isn't the case right now, you're simply being arrogant.