I really think you a have a point in this. If truly there can be a standard established on the type of post accepted, it will go a long way in getting a whole lot of things done right on the platform.

"Posting a few short sentences here would not be appropriate as this is not traditional social media."

I think this is very true also. Steemit need contents that are rich in quality as this will make the platform more eager for new users to join and interact