As much as I love Jekyll, I have to agree with your points. Jekyll isn't very accessible with it's specific front matter and file naming convention. However I don't think Jekyll will ever have a proper GUI.

You can have the best of both worlds though. You can use gulp.js to build Jekyll friendly files coming from Ghost using the Ghost Content API: https://david.darn.es/tutorial/2019/08/11/use-ghost-with-jek...