The economic effects shouldn’t be underestimated either. The lack of World Wars likely means that the Gold Standard remains firmly in place, which is going to limit what governments will be able to do quite a bit, as does the lack of precedent in regard to economic intervention during wartime.
That probably means that the welfare state never reaches the level of OTL, though the lack of annual inflation also means that real wages will continue to rise.
That probably means that the welfare state never reaches the level of OTL, though the lack of annual inflation also means that real wages will continue to rise.