This idea is important because it gives hard working individuals a fairer chance of remaining in the workplace and developing their potential. it also re-introduces a sense of value for hard work, effort & willingness to embrace change which ought to be encouraged by the incentive to be proud of what is contributed and achieved. It rewards productivity and flexibility as opposed to supporting stubborn negativity.
A permanent contract should be regarded as a position of value for hard work and effort to go the extra mile, especially where customer care is concerned. Instead It is often seen as a safety net where minimal activity is required for a salary and change is resisted because of archaic out dated work ideals that no longer suit the organization.
6 months sick leave on full pay seems an excessive reward for those individuals that get stressed out by the concept of necessary & effective change. Excessive also since the lambs to the slaughter are often excellent hard working staff who fall foul of the legislative rules of temporary employment.