What's needed is the government to mandate what is required. Make it more expensive (via fines or the like) to understaff than it would cost to hire the staff.
And I'd like to see all liability for tiredness-caused mistakes to flow upstream to the first person who had the authority and ability to improve the situation and didn't do so. Understaffing is a form of medical malpractice in my book.
And I'd like to see all liability for tiredness-caused mistakes to flow upstream to the first person who had the authority and ability to improve the situation and didn't do so. Understaffing is a form of medical malpractice in my book.