https://community.instructure.com/en/discussion/612073/disallow-threaded-replies-option-in-discussions
Disallow Threaded Replies option in Discussions - Instructure Community
On August 14th, 2024, we deployed an option in Discussions that allows you to disallow threaded replies. This feature was previously available in the legacy...
threaded repliesdisallowoptiondiscussionsinstructure
https://www.socialmediatoday.com/news/twitter-halts-test-of-threaded-replies-shuts-down-experimental-twttr-app/591607/
Twitter Halts Test of Threaded Replies, Shuts Down Experimental twttr App | Social Media Today
After testing them out for over two years, Twitter has now decided that it's not going to go with threaded replies on tweets.