Don't think about it as a way of "shortcuts", but as a language of sorts. Yes, it will take some time to learn. While I'm a heavy vim user myself, I'm not sure

Don't think about it as a way of "shortcuts", but as a language of sorts. Yes, it will take some time to learn. While I'm a heavy vim user myself, I'm not sure if it really makes me more productive. But it is more fun to me than, e.g. working with VS Code.