They feel in the absence of other reforms, this standalone conflict of interest policy is a "band-aid" measure and could further entrench existing powerful administrators who have no playing history.
But it said it might be time to evaluate if it would be worth trading the zero interest policy for more financial assistance for students while they were studying.
The bank had come to negative interest policy very late, after experimenting with all manner of unconventional policies - which made its arrival all the more significant.