This doesn’t weaken as much as the correct answer does. “Many” executives might consider emotional satisfaction, but this doesn’t mean “most” of the decisions made by executives contribute to emotional satisfaction. That’s why (D) is better.

This doesn’t undermine the author’s position, because how the executives got into their positions doesn’t relate to what the mass-media promotional relationship causes executives to consider when making movies.

This doesn’t undermine the author’s position, because the author never says only studio executives make decisions about casting and content. The author says that executives make these decisions “more and more frequently.”

This undermines the position by showing that even though most decisions by executives are made for profit reasons, this actually increases the likelihood of creating emotionally engaging films.

This doesn’t undermine the position, because even if mass media can make the public interested in certain performers or subjects, we have no reason to think that this increases the likelihood of emotionally engaging films.