I think it depends on the person. Someone could be equally upset that we have letters for pieces as the default set. My intention is to make a simplified version for people to learn the game.
Also, there is nothing wrong with what I did. I was referencing the radicals for each piece. They just happen to look like katakana characters as well.
(nascondi) Puoi inviare un messaggio ai tuoi amici con un solo click aggiungendoli alla tua lista degli utenti amici e poi cliccando sulla piccola busta accanto al loro nome. (pauloaguia) (mostra tutti i suggerimenti)