Very spot-on description of the mania-to-blah mindset that does in 95% of blogs. I'd also add to the mix: 1) Unrealistic Expectations. Most people have no idea what "success" really looks like for a blog. They assume that, if six months have gone by and they're not getting 100,000+ followers, they've failed. Another unrealistic expectation is what I'd call an overly generous self-assessment: the blogger in question o…
2) Lack of Patience. Building a successful following is rarely an overnight journey. Some blogs take years to find their footing, and years more to find their audiences. I would add one more point: most people don't fundamentally have a writer's disposition. Writing is hard (if it weren't, we wouldn't have so many professional writers, books on writing, and classes on writing). Having something to say and the means t…
Once you want to translate that into a blog you really have to flesh it out and ideally read other sources and reference them. We you don't have to but I feel less comfortable just putting something down as opposed to really getting into the idea. Unfortunately all this takes time making me less likely to start it in the first place.
edw519 has mentioned this a bit, very prolific poster that is very well regarded on HN and has a lot to say but struggled to really do it in the blogging medium.