Sure, so now imagine Apple actually doing that in regards to German people. Would the many angry German consumers who had paid quite a bit for Apple phones be 'overreacting' to publicly complain about it?
The Jyutping method, which is the proper way to input Cantonese, isn't available.
Instead, Apple looked at people using the Pinyin keyboard to awkwardly input Cantonese (because Jyutping wasn't available) and decided to enhance that instead of just giving a Jyutping keyboard.
This is on top of what exists.