Meta’s expert […] argued that […] if Meta shared small blocks of data, they would be unusable to the receiver.

This is ridiculous. On a large torrent, a single piece can contain dozens of books. Pieces are contiguous unencrypted data. One piece contains several pages in any cases. What if I set my maximum ratio to 0.999, am I allowed to seed then?

Those nerves you need to stay calm debating with such a jerk…

I primarily buy used drives. Depending on your area, you might find buyers easily for your old 4TB+ ones.