No, it's not a place to discuss things of interest to startups. It's a place to discuss things of interest to the people who are interested in startups. Often that will be the same thing, but often it won't. To quote the guidelines:
Anything that good hackers would find interesting.
And how can you say something should be on the front page but not at the top? Either it's of interest or not, and while that is subjective, you can't just decide that something shouldn't be of interest to as many people as it is.