As the definition of autism broadens, a crucial question arises: are we inadvertently neglecting those with the most severe disabilities? This is a pressing concern as the diagnostic criteria for autism have expanded significantly over the past few decades, leading to a 42% increase in diagnoses in Australia alone. While this expansion has brought recognition and support to many, it also carries potential pitfalls. The article delves into the unintended consequences of this broader definition, exploring how it may impact those with profound disabilities. The authors, Professors Andrew Whitehouse and Mirko Uljarevic, along with Professor David Trembath, highlight the need for a balanced approach that acknowledges the diverse needs of the autism spectrum while ensuring those with the most complex needs remain a priority. The expanded definition of autism has indeed been a positive step, offering recognition and support to many. However, it also raises concerns about the potential neglect of those with profound disabilities. The article discusses the over-medicalization of typical developmental differences, the strain on resources, and the need for a separate diagnostic category to address the unique challenges faced by those with profound autism. The key lies in finding a balance between inclusivity and precision, ensuring that the gains of broader recognition do not come at the expense of those with the most complex needs.