Disagree. To this point, it’s been a fad, sure. But if they can get this baked into the operating system (as Apple proposes to do) so that it sees your data holistically, it has the power to transform how we use our mobile devices. So the Siri thing is really the whole ballgame. Which is why they are taking their time with that. Thsee writing tools are nice, but, as you say, potentially a fad (though i do use Grammarly all the time and this may allow me to replace that, if implemented well enough).