Writers write because they cannot allow the characters that inhabit them to suffocate them. These characters want to get out, to breathe fresh air and partake of the wine of friendship; were they to remain locked in, they would forcibly break down the walls. It is they who force the writer to tell their stories.
Elie Wiesel[Adolf] Hitler needed, he didn't want to kill Jews, he wanted to expel German Jews, and therefore it's not entirely corroborating your theory.
Elie Wiesel