The federal government’s plan to reboot the National Disability Insurance Scheme (NDIS) is a courageous admission that the scheme has become unsustainable. It now costs $36 billion a year and Treasury projects that to triple over the coming decade.

While there is a six-point plan overseen by an independent panel to include issues such as staffing, fraud and better co-ordination with other bodies, a critical element is the autism trial in Western Australia.