A lot of money is currently being wasted by setting up POD "call centres" , adding another admin branch to carry out the same task which had been adequately administered by the GP. The GP still has to sanction the prescription, where is the cost saving??
Reducing the drug bill is win win - better public health at less cost to taxpayers. See sectco.org for how to fill the vaccuum with NICE-recommended complementary therapies.
Also patients on warfarin sometimes find that the unbranded tablets have different colourings and coatings which upset them. It has also been reported, although not extensively researched, that by having unbranded warfarin or a mixture of unbranded and branded in the same prescription causes variations to their INR levels when their blood is tested.