In this case I have to disagree, as these positive replies are removing any concerns I had about nobody reading this hypothetical blog :)

I would read it. As you are seemingly living my dream I would love to do a bit of vicarious living through your blog. :)

I read in Influence [0] by Cialdini that telling people you're going to do something actually makes it more likely you will because you feel consistency pressure

[0] http://en.wikipedia.org/wiki/Robert_Cialdini

Anyone recognize this phenomenon by name or have a link?

most people are familiar with this notion due to this post: http://sivers.org/zipit

tl;dr “Symbolic Self-Completion"

I've long noticed this in myself. Very neat to see it isn't just me.

I kinda look at it like a lean startup practice. If nobody signs up for his blog why start? if some people sign up there will be pressure to put something out.

Causation vs correlation