Absolutely! I've been using Evernote for years, it has served me very well. However, I recently thought that it would be great if I could use Evernote for importing/exporting Mardown documents. Personally, I've got so much invested in Evernote that I can't just migrate to, say, Gitbook or Bear (which look great, BTW). I would much prefer if they added a feature to import/export Mardown documents. I would manage the revisions with Git on my own.
It should be relatively simple, I suppose. Why not cater to this need? As to "how many people" are going to ask for Markdown well, obviously not