No shade to op, in fact I understand and respect where you're coming from. I personally would just be careful with the phrasing here, because it sounds like what you're saying is that some systems are faking which, even if they were, saying so causes a lot more harm than good
Instead, how I personally would go about this particular topic is that if you are a system, then there's probably something you don't remember, or something that you haven't recognized as trauma, or you have a lot of processing ahead of you, so maybe be gentle with yourself, and be open to the possibility that maybe things actually were that bad, and you weren't being dramatic, and you were hurt that badly
But that's just my thoughts. I wish everyone the best of luck on their journeys through this tangled world