because they want more human brains?

Sauron Denies Request for Contract Information Reading a prepared statement from the tower of Barad-dûr, the Mouth of Sauron indicated today that the Dark Lord would not be complying with the demands of lawmakers to provide information on its contracts with the Trump Administration. The Messenger of Mordor further called the demands "ridiculous" and "unnecessary government intrusion into private affairs of Sauron, who does not answer to any higher authority, save that of his fallen master Morgoth." Furthermore, the statement chastised the lawmakers for contacting Sauron through the Palantir, which he described as "an illegal privacy breach," and said he planned to seek legal action for this invasion of his personal communications.

From the same source, Blacklight is really good. https://themarkup.org/series/blacklight Blacklight is a Real-Time Website Privacy Inspector. Enter the address of any website, and Blacklight will scan it and reveal the specific user-tracking technologies on the site So you can see what's happening on a site before you visit it

You do. But you also plan in the case the surrounding infrastructure fails. But more to the point, in some cases it is better to produce (parto of) your own electricity (where better means cheaper) than buy it on the market. It is not really common but is doable.

I still get calls, but I can't see details (e.g. just the phone number, not the caller).

One could say it's their fiduciary duty.

you don’t need to worry about trying to enforce it ( By the simple expedient of there being essentially nothing you can enforce.