I think GP is referring to the fact that an author’s work is copyright protected by default, and a license is needed to permit others to use freely [1]. StackOverflow posts are licensed under CC BY-SA 4.0 [2].
(Disclaimer: Just commenting on GP’s statement about “no license”, not on the specific disagreement or apology mentioned above which I am unfamiliar with.)
I think GP is referring to the fact that an author’s work is copyright protected by default, and a license is needed to permit others to use freely [1]. StackOverflow posts are licensed under CC BY-SA 4.0 [2].
[1]: https://www.copyright.gov/help/faq/faq-general.html
[2]: https://stackoverflow.com/help/licensing
(Disclaimer: Just commenting on GP’s statement about “no license”, not on the specific disagreement or apology mentioned above which I am unfamiliar with.)