Gerry Conway:

This is a very big deal, because it strikes to the heart of what made Comixology’s app a near-perfect venue for discovering and falling in love with new comics, a venue creators and publishers have been searching for since the collapse of mainstream newsstand distribution in the late 1970s-early ’80s: it destroys the casual reader’s easy access to an impulse purchase. And that’s a terrible development for the future of comics.

There are so many good parts of this article I could have quoted.