The link to BTC value comes from the author's speculation that miners will be willing to pay 90% of that value to mine it. So at $1000 USD, a miner will be wil

The link to BTC value comes from the author's speculation that miners will be willing to pay 90% of that value to mine it. So at $1000 USD, a miner will be willing to use $900 USD in energy. (Unless I missed something he completely ignores the cost of hardware.)