Isn't it impossible to emigrate to Beluaterra during the Invasion?
The list you give probably also includes a lot of deaths before things were patched up, mortality rates were turned down afterwards. If mortality rates are adjusted, it could provide excitement. Do we need to see 2-5 Nobles die every battle? No, with the amount of battles, that will simply go very quick. But a Noble dying here and there because he was faced by gigantic Daimons or decided to do a suicide run could really add to the Invasion feel.
About people quitting the game, was that really a substantial amount? Who all quitted especially because Beluaterra had mortality? There are plenty of Islands without Mortality, and there was plenty of warning that Mortality was coming to Beluaterra. It wasn't really a big surprise.
