Commentary by Dan Brown: https://danb.me/blog/futo-open-source-definition/ (found via Ethan Sholly's "This Week in Self-Hosted" newsletter).

'Is "source available" that bad?' discussion from 5 months ago: https://news.ycombinator.com/item?id=38790767

They don't like the definition of open source, so they're trying to hijack and change it. This is just shitty behaviour.