[quote=Legend]
You'd have to have an exception regarding all non-resource collectors. And if you change it so their job only has to contain their assigned element, then it would be virtually no different than today's society, except with more confusion. Because Spirit needs his memories of us =,(
[/quote]

Well, (I can't remember if she said this) Erza told Spirit in Limbo that "they" may try to make him remember. Because he was remembered by them greatly. And that that they could. If not, then I forgot to add that.