Mark Millar has some qualms with digital comics, and I can understand his sympathies for the retailers. It doesn't look, from the bit quoted on Comics Alliance, like he understands the effect that piracy has on our small industry (and those same retailers) or how opening up cheap, legal, and easily-accessible channels to obtaining comics is a way to mitigate some of those effects.
But that's largely beside the point, which is that Millar's concern seems to be wrapped in an advertisement for the next issue of Kick-Ass. As I said, I understand his sympathy for the retailer, but I also have sympathy for people who read comics and other creators. To that end, I corrected some issues with Millar's simple ad: