When you said:
I believe writing, a huge challenge, is powerful.
Anyone who has read a good moving story at some time in their lives can definitely agree with that statement.
I've read a lot of books in my life and have definitely read a few that have stuck in my mind from that time on. Look how many stories have motivated heroes and created murderers (Mark David Chapman claimed he killed John Lennon of the famous Beatles because of Catcher in the Rye).
It's just too bad that there are so many writers out there who never take that statement seriously.