There are some highly effecient math and data compression techniques you can use when you understand these systems and how they work. You probably will not use them much in your first few jobs. But having them in your back pocket when you become a senior and you are asked to make the overworked legacy system running on the underpowered overworked dinosaur server is nice to have.
It gets more important when you are dealing with controllers and electronics that do not have an api. Especially if you are writing that api.