The importance of these things is now frequently given as an explanation why some less developed countries with seemingly abundant resources have failed to take off economically. Finnish public institutions at least have shown a remarkable degree of continuity through our history.
Especially the legal system, and the structure of administration have continued to function virtually undisturbed through many dramatic circumstances, including the critical years of 1917-18, and 1939-44. There have been changes, of course, but these have almost always taken place by gradual evolution rather than through abrupt regime shifts.