That seems even slower and lacking the most important advantages of actually writing: you're articulating your thoughts via a slow medium which forces you to ac

That seems even slower and lacking the most important advantages of actually writing: you're articulating your thoughts via a slow medium which forces you to actually think through what you're putting down. Also writing by hand activates your motor cortex and that's beneficial when studying. If you don't have time to write, you don't have time to think thoroughly.