I think people neglect to write blog posts because the feedback loop is not as tangible as the onslaught of (sometimes mechanical) likes or faves that you can receive on a social network. With blogging, you need a little faith that you will gain an audience. And on the open web, you never know who might come along and expand your audience.
If you want to read the thread this generated, you can find it via the #LongLiveTheOpenWeb tag on Twitter.