Wordpress gets a hard pass for me specifically because (a) it has a plugin system that I've seen explode in practice far too often to trust, and (b) the task sp

Wordpress gets a hard pass for me specifically because (a) it has a plugin system that I've seen explode in practice far too often to trust, and (b) the task specifications provided by OP include marketing and management access to the editor. There is no stronger force behind pet features and rule breaking. I'd choose something easy to work with, but with an intentionally limited scope over anything with shiny bells and whistles in this specific case.