freeobject

Take languages for example, one speaks more than one languages could obviously strike dumb the one sticks on his mother tongue in an international stage.

Many identities give out higher level of comprehension. You could have more identities and keep them as resources to use instead of as labels to show off. But, that's rare, most people don't have that ablility to learn as much as possible. So in common, sticking on fewer identities normally prevails.