A possible concise summary is:
The video transcript discusses the controversy over what the late author Terry Pratchett would think about trans issues, based on his tweets, his daughter's statements, and his novels. It focuses on how Pratchett's books, especially Monstrous Regiment, explore themes of gender identity, expression, and discrimination through his characters and humor. It argues that Pratchett was supportive of trans people and their right to self-identification, contrary to what some transphobes claim. It also praises Pratchett's writing and recommends reading his books.
Here are the key facts extracted from the text:
1. Laurie Penny shared a tweet criticizing the LGB Alliance for sharing anti-Semitic material.
2. Neil Gaiman responded to Penny's tweet by saying it was not very surprising.
3. Rihanna Pratchett, daughter of Terry Pratchett, said her father would not be a gender-critical feminist if he was alive.
4. Sarah Ditum wrote an article for The Times arguing that it was absurd to claim that Terry Pratchett would have supported either side of the trans debate.
5. The author of the text disagrees with Ditum and cites Pratchett's novels, especially Monstrous Regiment, as evidence of his positive views on trans issues.
6. Monstrous Regiment is a novel about a group of women who disguise themselves as men to join the army, and one of them, Jackrum, lives as a man even after the war ends.
7. The author argues that Pratchett's use of pronouns and his affirmation of self-identification show that he was aware and supportive of trans people in his world.