Something I talked about repeatedly in 2024: 20 million people, to say nothing of 30, would be the largest forced population transfer in human history, larger any of the three post-WW2 transfers (partition of India, expulsion of Germans, partition of Palestine) or the post-WW1 Balkan cases. RE: https://bsky.app/profile/did:plc:yobyqjt4hs5icoihvaombhhn/post/3mqyonw7lb22p