It was always going to be messy to create something that covered all of the writing systems in the world, but things like this didn't help, and is probably what

It was always going to be messy to create something that covered all of the writing systems in the world, but things like this didn't help, and is probably what they're referring to: https://en.wikipedia.org/wiki/Han_unification https://en.wikipedia.org/wiki/Han_unification