It doesn't state what they define as being 'wealthy'.BBC News - NHS chiefs in Scotland discuss having wealthy pay for treatment
I would think the overwhelming majority of multi-millionaire wealthy types already use private healthcare means, so this plan won't make a jot of difference in balancing an NHS care budget.
However the word wealthy sets a movable bar that can be lowered to include patients who merely own their own home or can cash-in their long hard earned pension to pay a whopping great bill that will leave them financially uncomfortable for the rest of their life.
It paves the way towards the normalisation of Private health care in the UK which comes with a cash register at every hospital foyer.
Paupers hospitals with a far lower standard of care may exist with a free and think yourself lucky service for the greater many who are financially skint.