> If you have proof of echo devices not doing this, you need to yield a source. Wireshark logs, anything. I suspect most of these comments are from people who

> If you have proof of echo devices not doing this, you need to yield a source. Wireshark logs, anything. I suspect most of these comments are from people who don't own, haver never used, let alone sniffed traffic from those devices. They conveniently ignore all the networks (including my own) which will throw a fit if these devices start sending unusual traffic. I'll worry the day they embed a cellular modem.