It seems more like a basic instruction set, that will then be translated to something actionable for each different device. Seems like most of the work then will be in developing the drivers for whatever devices you want the LLM to access.
My guess is its almost exclusively due to the reference its making to the similarly titled Onion article. The actual article linked is basically a cut and paste replacing gun violence with memory vulnerabilities.
They are likely referring to religious fundamentalists, mostly evangelical Christians. Puritans is a reference to an older christian fundamentalist group in the US that now have a connotation as extreme in their views.
In many cases, I'm sure they are paying the cost of the added infrastructure. However, the increase in electricity costs come from having overall more electricity demand than before the data center was built. An increase in demand raises the cost for everyone.
If sunlight is blocked the amount of people who die due to starvation from crop failures will probably more than make up for the difference in lost solar power energy. That is to say, we'll have much larger issues than a stable power grid to contend with.