Some people like to read books, learn to understand the theory, all which are each way, so it is considered to be a better way, but that doesn't mean you'll have to stick with the methods the only way forever.
Some people prefer to read the book to understand the whole theory. Each method is considered a good way. But that does not mean you have to stick with that way forever.
Some people like to read to understand all the theory. Each approach is considered a good method. But that doesn"t mean that you must stick with that way the only way forever.