Word 2016 also has "Don't show backstage while opening or saving files" in the same options dialog, which basically hides the Backstage UI[1] unless you specifically invoke it from the File menu, and shows a plain old Open/Save dialog instead.

I agree it's very ridiculous.

[1] 'Backstage UI' is the bit that looks like this: https://kiatplayground.files.wordpress.com/2015/06/save-to-o...