Everyone serious enough about his work to care about efficiency. And no one prevents a self-taught programmer to learn algorithms techniques (or anything at all

Everyone serious enough about his work to care about efficiency. And no one prevents a self-taught programmer to learn algorithms techniques (or anything at all, really) but the chance of one doing so are really low, especially considering that people opting for a 12-week course instead of a 4+ years-long route aren't the kind you would think of as particularly dedicated to something.