That's a good analogy, but two things: 1) It's a lot easier to call a bot accidentally than to make a phone call accidentally, since the phone requires you to

That's a good analogy, but two things: 1) It's a lot easier to call a bot accidentally than to make a phone call accidentally, since the phone requires you to press your butt against it, but the bot is just listening to you talk near it. 2) Accidental phone calls are also ephemeral. Even if it goes to voicemail, only the recipient is likely to ever hear it, and it generally won't be kept forever. With Alexia, it goes into some big training pool, probably permanently.