Let's not forget languages that aren't ideally served by qwerty - I'm thinking asian languages in particular. Even therein, there's chinese, which has a high semantic density to syllable count, vs say japanese, which requires more syllables* to say the same thing.
*more keystrokes but same time spoken, as the natural speech cadence is faster. Can't remember source right now.
Of course those Asian languages that are difficult to type are also difficult for speech to text programs, especially ones like Japanese where understanding the context is important for choosing the correct glyph.
*more keystrokes but same time spoken, as the natural speech cadence is faster. Can't remember source right now.