Even subject matter doesn't bother me. Meh, if it's not something I'm interested in, I'll just move on.
I saw an IMMEDIATE change in traffic, comments, and follows. It's like someone turned on a switch all of a sudden and I've been doing this for over two years.
What no one told you was that you need a platform and you need to start working on it now. Not after the book is published but now. You don't wait until the edits are done, you do it now. As soon as you chose to go down that writing path, you must begin building a platform--which is now.