The government says private companies and shonks are partly behind the huge blow out in how much the National Disability Insurance Scheme is costing taxpayers. 

It's announced a crackdown to end businesses profiteering from the scheme, which for the first time this financial year will cost more than Medicare. 

Today, a disability advocate on what's gone wrong with a scheme which is vital for hundreds of thousands of Australians. 

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El Gibbs, writer and disability advocate