Leaving aside the externalities of constantly breaking everyone's workflow and potentially introducing disastrous bugs, there's an opportunity cost to innovating where there isn’t a clear need. Google and others are wasting massive resources endlessly tweaking browsers and the Web because that's all they know how to do, their users are locked in and without recourse, and they don't feel threatened by any competitors or upstarts. I would argue the web and smartphones and similar tech are boring now but because the market is controlled by only a few huge companies, the tech hasn't been allowed to become low-margin, standardized cookie-cutter commodities. Instead these attempts to make this old boring tech seem exciting is getting to the point where it's sad and comical.