I find that one of the reasons is that creating a tradition is part of the larger Japanese culture itself. Similar to how the Anglosphere likes to create new wo

I find that one of the reasons is that creating a tradition is part of the larger Japanese culture itself. Similar to how the Anglosphere likes to create new words via contractions, just to have a word for a very specific meaning, in Japan everything is encouraged to connect to a tradition, or a cultural reason for it.