We are living through a period of large-scale speculation regarding both the meaning and proposed causes of diagnoses such as autism or similar neurodevelopmental conditions. The recent unsupported claims about proposed links between paracetamol and autism reflect how quickly speculation can outpace evidence. The recent unsupported claims about proposed links between paracetamol and autism reflect how quickly speculation can outpace evidence. These figures do not signal an epidemic; they reflect a system trying to reflect the diversity of needs within our classrooms. Rather than gatekeeping access to diagnosis, such evidence highlights the critical importance of access to diagnosis.