The 0.2% sounds ok perhaps, but given google's account size it's still potentially millions of recordings. They also don't state the timeframe of the percentage. Is it per day? Since they say "recordings" and not "accounts", means everyone may have their recordings listened to, eventually.

...like in blade runner.

We are definitely living in some interesting times. We can't even trust our own senses anymore.

I believe they will have a free backup copy