That’s why then!

Chris Grayling, Lord President of the Council and Leader of the House of Commons, Chair, Palace of Westminster (Joint Committee)

“The whole point about the PIP system was that its predecessor, the disability living allowance, was not being used for the purposes intended. DLA and PIP were designed to provide extra financial resource for people with disabilities, to help them cover the extra costs incurred in their daily lives, but DLA had become a sickness benefit and was being used by people who self-referred and had temporary illnesses rather than disabilities. The system was designed to pay benefits to people who needed them for their disabilities, not to those who did not have genuine disabilities but had health problems. That is what the new system was designed to achieve, and it is perfectly reasonable to review it two years in, to make sure it is delivering that objective.”

At the risk of deeming Chris Grayling capable of stumbling upon a real point (even accidentally), presumably his view on the intention of DLA would be quite consistent with a large number of awards being made for life?