That only proves the point. If something increases the value of someone’s time by 5% and 500,000,000 people are affected by it, the cost will collapse.

These models are only going to get better and cheaper per watt.

> These models are only going to get better and cheaper per watt.

What do you base this claim on? They have only gotten exponentially more expensive for decreasing gain so far - quite the opposite of what you say.