File geodatabases now support views (which is great), but the views can't have domains applied to them (this should be fixed). If I have a view that pulls out a subset of data from a table and that table has domains applied to it, I should be able to apply those same domains to the file geodatabase view of the data subset, but this can't be done. It makes (some) sense that views aren't editable, but since they are registered with the geodatabase I can't think of any reason why allowing domains to be applied to them shouldn't be possible.