Fundamentally, Evernote is a note-taking app. That is, it's for writing stuff down quickly and ensuring this tedious process is as enjoyable as possible. I feel the note taking experience is what set Evernote apart in the beginning, but over time, it has now been pushed to the back and forgotten.
To be frank, the experience of writing notes in Evernote is generations behind other note-taking apps. Bear and Ulysses are two great examples of an experience of note taking that is enjoyable and intuitive. A big reason for this is that they allow for preset text styling using H1, H2, H3, etc.