Maybe they are checking if other users feel that way? It's a discussion/suggestion post. It's very common to users of a subreddit discuss the kind of content that is appearing, discuss if it's overwhelming, and change the rules if people agree.

It happens in almost every sub that gets a high influx of content of a specific topic. That's how you end up with specific days for specific kinds of posts.

The mod of that sub doesn't seem to think that it is a problem, so it's no biggie.