You're working from a position that perfect consensus is necessary for curatorial value.
We agree that curation is not consensus, I'm taking that a step farther -- consensus is not necessary for curation. In fact, the entire point of a human curated list as opposed to an algorithmically curated list is that different humans curate differently from each other and have different perspectives.
If you feel like my previous examples were too trivial:
I don't believe that we've reached a consensus on the best way to teach -- and there might not even be a right answer. But I still like curated lists of books and courses.
I don't believe we've reached a consensus on what good and bad or biased reporting is, but I still like finding curated lists of reporters and newspapers.
I don't believe we've reached a consensus on what effective altruism looks like, but I still like reading charity rankings.
So my assertion is that curation is fundamentally a different kind of activity than you're claiming. There is a huge difference between slapping a label on something and making it a point of policy (ie, labeling news articles on Facebook) and having a list that says, "here's what meets my own personal standards, maybe it will meet yours."
If OP was claiming that any software not on this list was not ethical, I would agree with you 100%. If they were claiming theirs was the definitive list, I would agree with you 100%. But they're not. I think you're reading a claim here that doesn't exist.