Therefore, a constitution for a service cannot be written by the inventors, producers, owners of said service.
This is a play on words, and it feels very wrong from the start.
The more general definition of "constitution" is "that which constitutes" a thing. The composition of it.
If Claude has an ego, with values, ethics, and beliefs of an etymological origin, then it makes sense to write those all down as the the "constitution" of the ego — the stuff that it constitutes.
Do you really think Anthropic used the word "constitution" as a reference to Nutritional Labels on processed foods??
These are the first abstract sentences of a research paper co-authored in 2022 by some of the owners/inventors steering the lab business (to which we are subject to experimentation as end-users):
"As AI systems become more capable, we would like to enlist their help to supervise other AIs. We experiment with methods for training a harmless AI assistant through self-improvement, without any human labels identifying harmful outputs. The only human oversight is provided through a list of rules or principles, and so we refer to the method as ‘Constitutional AI’." https://arxiv.org/pdf/2212.08073