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I remember a story where that was the normal way of talking as the people of that culture believed it was necessary to prevent people from being too selfish, and personal pronouns were either illegal or on the same level as bad language, so of course there was a description of a memory the main protagonist had of camping out in their room under the covers with their siblings repeating "I" and "me" XD

One believes that it is indeed correct English to refer to oneself as one, however, one also knows that most don't speak correct English these days and that urban slang (which has existed for many hundreds of years) is becoming increasingly prevalent.