Blueprints (tools that you make to communicate to other tools) in general are an advantage (makes programmers and level designers communicate better) , but what makes unreal have an advantage for 2d games? First study console commands then turn off anything in excess and you can get a really fast project you just have to dive into it. Like everybody said the learning curve is harsh but you must rage against it then it will be revealed. The best video game analogy would be dark souls very rewarding but you have to put the time in to understand it.