you logic seems interesting to me...
people are willing to pay more for something subsidized!!?? wouldn't the device by being subsidized be less and not more?
i think you need to reread the shilling material again.
21 Inc is planing on giving away free or heavily subsidized products, that may end up costing the user more over several years of use because of the added energy costs.*
It is well understood among psychologists that most people opt for short term deals and opportunities vs long term projected costs.
There are many business models that are built around this fact. I.E..Cell phones, media entertainment systems, rent to own , car leases , and in many developing countries every single product sold in stores is offered rent to own with low to no initial cost and larger longterm costs over the life of the product.
*It is possible that the costs will be lower for the users however, but I am assuming the worst possible outcome for consumers. Some users do not pay for electrical costs because they rent, have already invested capital in renewable power. These IoT devices will offer more services than traditional devices thus negating some or all of the higher electrical costs. The unused mined bitcoins will appreciate in value and likely grow to cover the electrical costs if unspent. Any appliance that reuses waste heat like space heaters, water heaters , ect ... will be an added bonus for consumers.