Sure, the now impolitic anti-Trump themes could have been written out of the new series. Doing so though would have had angry writers and producers running their mouths to Hollywood trade publications and websites. That is a headache that neither Bezos nor Amazon's current managers would want. Better then to pull the plug and start over.
The marketers are likely seeing the dismal numbers for the recent Star Trek and Star Wars shows and avoiding funding another Sci-Fi series.
They're not buying homes, new cars, clothing, vacation packages, cosmetics, and hair products.
They also have talent and are likely to critique the hell out of your show, forcing you to hire real talent for actors, writers, the props departments, etc.
The advertisers are better off targeting divorced women or never-been-married welfare queens, with a reality television show using idiotic scripts, non-union actors, and non-union writers.
It's the fast food model versus a family owned steakhouse.