In-Fill Blogging: Ethical? Annoying? Who Cares?

I assume there are statistics out there that will back me up when I say most blogs drop off faster than most new Year resolutions. They start ambitiously, sustained by initial enthusiasm, then the posts start to falter. Periods of revival occur from time to time.

One reason I think/know this? I have started a lot of blogs that have fallen off the wagon, so to speak. This very blog right here...