From my experience, you can just get to where you want to get faster with them. The globe key is also pretty nice if you switch languages a lot like I do. (Yes, I know you can do this with 2 key presses on windows but being able to do it in one is nice.)
Yeah, it’s the bottom left key. You can assign it to do all sorts of stuff (I think it’s emoji by default for US models). I use it to switch between Japanese and English keyboard.