If you're doing it for thanks, pity, or money, you're doing it wrong (1) , anyway. Do it for what you can learn about the subjects on which you blog (be it programming, startups, yourself, ...). It could be quite painful for you if you are expecting a substantial emotional or monetary return.
(1) Unless you started for other reasons and progressed (through solid traffic) to one of the other things.
Yeah. Isn't it all about getting to express your ideas without censorship? What happened to freedom of expression.
My favorite moment with blogging in 3 years' writing was when my first entry made its way up Reddit and Hacker News, and people started TALKING about it. I like the feeling of people choosing to read my stuff. Not because I'm making MONEY from it, but because... it just feels nice. Nice in a youthful, innocent, look-at-me-I'm-blogging way. And that's the best kind of nice.