Totally agree on this one. I am a premium member for years, and I have collected thousands of notes. In my work I want to be able to search through them quickly, attach every type of document (pdf, ppt etc) but also want to have a clear overview of each note via collapsible toggles. I think evernote should really put more effort into improving its hierarchical structure outside and inside a note, in order to keep up with the user- friendliness of its competitors.
Of course you could suggest that there are other apps on the market for this feature, but I find that for example an app like