You can be a perfectly good e.g. web developer without knowing any of that. It would be good to know how it works but you don’t need to go that deeply into it u

You can be a perfectly good e.g. web developer without knowing any of that. It would be good to know how it works but you don’t need to go that deeply into it unless you’re interested in it. And if you are, or if you really do need to know it, this is a learning resource so you can do that