What is this in rebuttal to? I don’t see any claim of being open source on https://grayjay.app/.

The majority (>80%) of people who have an Internet connection.

spinal fluid as a base for perfumes

I can’t find any evidence of that. Are you perhaps thinking of https://en.wikipedia.org/wiki/Ambergris made from stones in the whale digestive system?

The issue is artists should be able to opt out of having their work taken and fed into a big project they have no control over.

So in your opinion a should University have to ask each authors permission before using their work as a reference for each study run there one by one?

What is the meaning of “making a function” in your sentence?