> 2023 was the year when "open source" got watered down to mean "you can look at the source code / weights"

Disagree, this has long been a problem, alongside all the other familiar deceptive-but-legal false advertising out there. Fortunately the HackerNews community knows enough to call it out. Last year I posted a big list of this happening on HN: https://news.ycombinator.com/item?id=31203209