People think Heinlein was 110% onboard with the society he was writing about, yet he wrote many other novels where the protagonists fought back against authoritarianism and/or were communist economically. Beyond this Horizon, for example. Or “If this goes on-”
Assuming one of a writer’s works displays their exact like of thinking is reductionist and infantile unless they came out at some point and specifically stated that it’s how they believed.