Stacey is like Kirby without a web interface. You manage content by dropping text files into directories. It's not inelegant. Admin interfaces can be just as poor for representing content as anything else (see: TinyMCE/WordPress) so once you get a client used to the workflow it isn't much of a hassle.
It's not like you're forcing them to build jekyll.
It's not like you're forcing them to build jekyll.