This is because these modern days , most people can learn English mainly through just speaking and listening to music , news , movies from the media . Other than that , by having conversation with your friends using the language English . Any more arguments and points you can give?
To truly enhance your language skills, you need to learn how to write it and how to read it. Speaking and listening can only carry you so far, then to further develop the language, writing and reading are required. Your language skills depend highly on them, and the more you practice the better you become at knowing how to use it and formulating yourself.