Definition of "scrupulously"

Some of them have, in fact, given them a theoretical elaboration which for subtlety, refinement, and elegance need make no apologies to the older economics, and which remains faithful to older theorizing in at least one respect, that the tradition of unintelligibility to the layman is scrupulously observed.

1958, Jacob Viner, The Long View and the Short, page 112

The citizens of India and Japan have elected nationalist leaders who many say they believe champion a more closed form of identity than their predecessors. While these leaders have observed the principles of liberalism more scrupulously than the Orbáns or Erdogans of the world, their critics suspect that they are quietly fostering intolerance among their supporters.

2016 December 6, Francis Fukuyama, “The Dangers of Disruption”, in The New York Times‎