Jon Bell worked on Twitter's Abuse team as the lead designer in 2016, and is haunted by his team's inability to take the threat seriously and make significant progress towards addressing it.
Why do so many in the Open Source world prefer gift-style licensing (BSD, MIT, Apache) vs. share-and-share-alike licensing (like GPL)?
Because the largest corporations control the dialogue and speak for the Open Source community, and it is to their advantage.
Not anyone else's.