Honestly I don't really mind about the length of an album / EP / whatever, as long as I enjoy it from the beginning to the end. Some long albums are great, some are boring, and it's the same for short ones.
About this one I played it a lot since it was released digitally, and when I got the test presses too, and I really find it great like that. After that if you prefer to call it an EP I really don't mind