Perhaps for pc’s but evolution within a single product family is to be expected. The minicomputer and workstation world had windows years before the micros did. And the research from bell labs and xerox and mit preceded that.
The company which signs off the global adoption gets all the marbles
it's the doctrine and it's accepted by everybody in the history of American industry excet for Microsoft that somehow cheated its way there or it doesn't count because Steve Jobs says so or Xerox says so , it's ridiculous honestly.
Revisionism at its best