It will be a nice idea. Of course, always from outside there will always be good ideas all the time. It depends on how they will be seen by stuff.
I read @snowflake 's post too. Yes it could be a start for the smaller people to have more motivation.
However for me, if i see a post i will write on it anyway if i have something to say, even if is not that way. But, some balance is needed again. And for sure will be more steps do be done in the future too. That's how things works from the beginning. With great ideas comes also great service and content. Let's hope here will be the same.
For what you propose, it could also be a box to let the viewers know that thing. For the good minnows auth / curators will be also a good thing.
I tried to simulate here:
Also, it is a big problem with new good content that is not viewed. Eh, is another topic...