Hey, I'm just starting out too. Two days into development and have several intro cut scenes setting up main story arc. 2 maps including a main, and several extra consequent maps for exposition of the cut scenes. I'm finding this relatively easy. The event system is simple enough that I can remember what is demonstrated in a tutorial first go. I am Making a full RPG, Multiplayer is of course a good idea. However your fist game should probably be single player and posted up for people to view so you can get some feedback. I have seen multiplayer plugins. There is this one for example. you seem like a big picture kind of person, and hence when working with others you would essentially be a creative coordinator. This is me too, however I have a portfolio of my other creative works including writing and Art. I still wouldn't attempt to get anyone else on board until I at least had a working demo to show people, to prove that I am committed in entering this area of speciality. So I would say you should maybe work on as much of the game you can, get used to sitting there and working within the game engine. make friends, and maybe someone will want to work with you based upon a more personal character assessment. In the mean time you will be developing a game, story, concept, and art which will demonstrate your abilities and tenacity. You you can add me to your list of friends. Because I don't think "Ideas are worth nothing." that's absolutist hyperbole nonsense, in fact you might say "It's the worst statement ever." If the game engine is really that overwhelming maybe write a story board and show people. The game mechanics of these games are really simple and inconsequential since they are boring urn based systems *yawn* Anyway, forgive me for digressing from my own situation. I have commited myself to creating a gigantic story ark as my first project and It's going to require an astounding amount of work to complete. However, RPG maker makes this quite simple for us, and I assure you if you keep putting the work in "Nibbling away at it" as my mother would say, then you will become capable of achieving this goal on your own. And the ironical kick in the teeth and or pants is: Then people will want to help you. AhahahaAHahahAHHAha. ps. There is a zelda clone plugin too, which is perfectly functional.
Oh, and my recommendation is to use bought or generated assets until you do find someone to help you, because I am doing some custom ones, and combined with the task of assembling a game, learning, then trying to develop the individual aesthetic components is a lot of work. Certainly I wouldn't expect any immediacy from this project. Just buy a bunch of tile packs, use cut scenes, use public domain music and see if you can make something people want to play.