Well don't stop there, the MIT license says some more: 'subject to the following conditions: The above copyright notice and this permission notice shall be in

Well don't stop there, the MIT license says some more: 'subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.' And that copyright notice on the code written by OP says 'Copyright (c) 2015 Max Woolf' (OP). The Medium author include that and posted his use of the code in the article and on github without this copyright notice.