No, let's just keep writing stuff that even an eight year old would get bored off. Big villain comes along, hero beats up the villain, perfectly black & white world and it's done with in another issue to be rinsed and repeated for years.
And again, Garth Ennis is not the rule. And he even he likes Superman.
Hey, let's look at the current DC writers who are also doing Vertigo projects. Jeff Lemire, Scott Snyder, Paul Cornell? Uh, gee, none of them look like guys who hate superheroes.