Could it have more to do with browser’s ever-increasing irrelevance?

Opinion  I know people who even today donate to the Mozilla Foundation and swear by the Firefox web browser. Their numbers are declining by the day. And, when I see Mozilla Corp.’s first and only CEO Mitchell Baker stepping down, I wonder if it’s really because she’ll be more useful devoting all her time to the Foundation than overseeing Firefox’s decline into a web browser afterthought.…