From the user perspective for sure. It’s much easier to join lemmy.world and it has a higher population of fledditors. I was just more acknowledging the role of lemmy.ml as something of a model instance because it is run directly by the developers of Lemmy.
It’s been an hour since this comment but just in case anyone else has the same, canceling and restarting allowed it to start downloading. For some reason the automatic attempt just hung on my device.