The article by the Policy Alternatives make a fairly well reasoned case using 2011 numbers that BC was underfunding caused by lower revenues due to tax cuts. Imagine a conservative government lowering taxes and cutting services. I wonder if that has anything to strategic shortages we are experiencing today. I remember in the 80's Bill Bennet cut 10,000 government workers. He knew that lots of those folks were doing jobs that would be missed so his government encouraged them to set up societies and offered them premiums to do so. He was a hero to conservatives and many former public servants who laughed all the way to the bank.
BC was the third lowest province for funding per population of any province. The article also points out that public service includes Crown Corps 8%, Provincial Government 9%, Federal Government 10%, Post Secondary Institutions 13%, Local Government including Police and Fire Departments 15%, Public Schools K-12 18%, Health and Social Service 27%. Your contention that your numbers excluded Health, which is not the case at least in the articles you posted.
I would like to see your math including where you came up with the percentage of Public workers. When I calculate the number of people employed 2,821,000 X 18% = 507,780. But you state that it is closer to 25% which would yield 705,250. So which is is it. You also stated that many agencies were doing the same job can you clarify?
As far as the Fraser Institute bulletin you posted they seem to be upset that the public sector was more effective at filling vacancies than the private sector due in large measure to better salaries and benefits like sick leave, and pensions. Imagine those rascals offering a living wage. It will be interesting to see what Rustad and his Merry Band of Wingnuts will do. Oh yeah what conservatives always do cut taxes and services.