I think this harks back to what I was suggesting here: Fibery users should be entities just like any other - #4 by jean1 (specifically the bit “The type name should be just a label. The type should be the composition of all its traits. I.e. you shouldn’t have to convert entities of type A to type B: you should just be able to add/remove the same traits to/from A until it has the desired behaviours and shows up in the desired places.”) … I see you responded to that thread 
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