Depends on whether they are reasonably independent. This works pretty well for e.g NRK, YLE, DR etc. Government can’t have a say in short term (less than an election cycle) funding, or who’s leading the Public Service company or similar. There can be no possible leverage from politicians, that’s the key. . The job of public service like any media is to be critical of power. The first sign of a country sliding towards being a non-democracy is political tampering with public service.