IMO it's the way that they've handled Chaos which shows the rot best. Rick Priestley came up with this completely mental set of gods which are genuinely scary. Decay, lust, rage, the will to power. These are all actually evil things. And they've been replaced with Marvel super-villains. Abnett's about the only writer left with them who actually gets it. And even he gets distracted.
The consequence is that as the bad guys have got less bad, the good guys have become more confusing. And I don't think that either is what teenage boys are looking for. I know what drew me in was the contrast of light and dark. The moral chiaroscuro.