The most damaging is when they expect God to do everything, while they sit around and do nothing. This is when you see the damaging effect of believing blindly, or using religion to justify your laziness.
You couldn't have said it better! I totally agree. You have to work for what you want!
You know, there's a saying in Hungarian. "Help yourself and God is going to help you as well." They don't know this saying, but I'd teach it to them.
The universe or God will act in consequence of what we do. Action and reaction or consequence... the truth is yes, it has to be taught.