filtering by tags and customized view in UI is certainly one part of the solution, but if speciality content writers are getting $1.23 per post, it wont make sense for them as they can probably get more advertising revenues on their own blog site.
Now that steemit.com is open source, one thing that can be done is a new site created for each category, so the front page would show content catering to that demographic.
We have the tools already, so I guess one action item is to create a website with a #trading-centric view as #trading is one of the key speciality categories.
Hopefully we can get a volunteer to fork the steemit.com site and make the required changes for this
I don't think it's really that difficult to do it on Steemit.com. It has to be done someday anyway, this site will become useless when we have ten times more active users here if it stays in it's current form.
Speciality content producers will get paid once we have some way for them to be seen (by people who want to see them). Now it's pretty much impossible for an unknown noob to get paid. It's just pure luck if they manage to get to the frontpage and earn big money because of that.
hence my proposal