One of the problems all digital products have now is distribution. If you buy your comics from "legit" outlets, they are fucked if these outlets go under. Sucks, and it shouldn't be that way. That's where the DRM vs. unprotected issue really comes to a head.
I still say this is the reason to buy through the publishers own apps. Now, before someone chimes in to say, "The Marvel app IS comixology" I sincerely beg to differ. There is a big difference between doing business directly with Comixology and using an app that runs on their engine.
You're much less likely to "lose your comics" if you just buy from the publisher. Plus, wouldn't you want to put a few extra pennies in the pocket of the company that created the product? I guarantee you the revenue split is different if you buy an Image comic from the Image app versus the Comixology app.
As for Graphic.ly's change......I can't say I understand enough about what they're trying to do to say anything one way or another. But, their app was lousy. And, I thought all the social networking stuff they added was dumb. In such a tiny market, we really didn't need three different companies competing to be generic apps. It just looked like a lot of people trying to get into a really small boat.
I wish them luck. Start-up success being what it is, they'll probably still fail at what they're doing now too, but they deserve kudos for knowing when to pull the plug and stop beating a dead horse.