Many people have found the cure within by letting go of all resentments....takes faith though. No faith...need doctors, yes. Sometimes not enough faith and doctors are still needed, yes.
We’ve seen your view before as children were left helplessly to die when simple medical intervention was all that was needed. This tree-hugging “have faith” expression is born of acid trip, ignorance, and laziness. God gave us brains and expects us to use them. Faith is one thing, but doing something for ourselves is mandatory.
This certainly makes life EASIER to live (many peoples lives are domineered by bullying, angry spirits that they have internalized) but it isn’t any guarantee of transforming this present cursed world into instant Eden II (in fact not even Jesus Christ bothered). The good thing is that people are being urged to get right with God. The bad thing is that too much is being claimed for that in this present world, and when newcomers fail they are tempted to give up on God as so much hooey.