If you bothered to spend any time looking at videos about the creative process involved in creating Ren'Py and RPGM based projects you'd know that:How hard can it be to use Ren'py??
- Ren'Py requires the Author to write all the scripting code needed to do anything/everything. From displaying character dialogue and images on the screen, to showing menus and the conditional statements needed to control the flow of the game.
eg. it's a programming environment, so you need to learn how to write code to create a project.
- RPGM projects are built using an GUI application, where the Author uses a mouse to selects options to do most things. And now-and-then they need to manually type things like identifiers, character dialogue, and numbers.
eg. it's an interactive environment, so you don't really need to know how to write code.
But if you really want to know how hard it is to build a Ren'Py project why don't you create one!