For reasons I don't completely fathom, people gravitate toward stories of impending doom much more readily than stories of impending happiness. History shows that 'good' unexpected things happen just as frequently as 'bad' unexpected things happen, and consequently we get a lot of change but not necessarily all bad change or all good change.
Still you can write a blog post that the economy is near the breaking point, our civilization is mere moments away from collapse, or that some calamity is on the verge of wiping us out, and get all the page views you can monetize.