[LDiCesare]

I don't think it's a good idea to change the autospawn.

Regarding micromanagement:
If the ai plays it, MM isn't an issue.
If you want to play a reanimating nation, pick MA Ermor, or C'tis...

Regarding power:
In MP, Ermor gets ganged upon.
In SP and MP, priests with a line of infantry in front get rid of the chaff quite efficiently, particularly if you don't wait too much before attacking. Ermor's start is actually quite weak, except they can spend all their gold on castles/temples/mercenaries since they don't buy troops.

The most annoying with Ermor is their dominion, but since it's so bad, it makes sure people gang up on them, so it balances itslef out imho.