For big tech products the "style" is dictated by at most one to two hundred people, living in the same place whose formal education involved the same dozen or s

For big tech products the "style" is dictated by at most one to two hundred people, living in the same place whose formal education involved the same dozen or so people. Those decisions then get bundled into one of several design systems which are filtered down to the rest of us. That's one of the big reasons why there's so little diversity in thought.