They would have used the voice by now and yet we're still all here correcting errors made by the touch keyboard. And no no one sane would use the voice in public or in office thinking out loud. Especially for doing basic things like pushing a button
Yeah, imagine two people having a conversation in a park, or someone talking on the phone in an office. Madness!
You exactly described a couple of scenario where we love to talk, it's in our nature. People don't want to talk in public with a robot, telling it to sell all tether, buy bitcoin and book a table for dinner with a lover