Exactly, it's a shortcut. Of course it's more effective to use your customers private conversations as test data. Being more effective doesn't justify it. Should car manufacturers test their new self driving cars in live traffic with real customers? I mean it's more effective than using your own test drivers and private course, so why not? I don't want my private conversations recorded or stored anywhere, even without a name attached to it. And I don't think any person would want to unless they opted in prior to recording it! So crowds of strangers are common in your home? Just wow. You can say that with a straight face? Employees of a giant corporation listening to what people say in their homes is not a breach of privacy? Damn man, I have no words. They might as well install cameras too, because apparently if there is no name to it, then it's free for all.