This is what happens when somebody tells me that something unproven is a certainty and I disagree.
In this case the email in question said “the reason there are so few DC movies is because nobody wants to see anything but batman and maybe superman. wonder woman never gets made because she sucks. green lantern and flash are too complicated, so is justice league. and nothing else would make their money back after they made it. you can’t make a movie about elongated man or guys like that.”
I disagree, and my argument is thus: