Yes, you have identified why computer language “fluency” is not on the same level as foreign language “fluency”. While you can communicate with reading and writ

Yes, you have identified why computer language “fluency” is not on the same level as foreign language “fluency”. While you can communicate with reading and writing in a foreign language, it limits your ability to connect with people. Whereas with computer languages, it is almost all reading and writing, especially in whiteboard interviews :)