This is definitely not universally true. I monitor usage on all my devices pretty carefully - I have several Echos in our house and they never use more than a f

This is definitely not universally true. I monitor usage on all my devices pretty carefully - I have several Echos in our house and they never use more than a few hundred kbps and that only rarely. Even with several devices streaming video at once I rarely peak above 50mbps. (1gbps FTTH connection).