Policy Creation Limit
I think you should be limited to creation of policies according to the level you have:
Level 1 - can only create 1 in any category through a tutorial type assisted UI forcing the @BotForThePeople to be triggered for the “license” tutorial. I kinda like how it is free will to advance let’s not ruin that flow.
Level 2 - Can have 10 *active posts per category
Level 3 - ?
*Secondary thought 
active/inactive policies
IE: You could add ability to toggle a policy on and off (basically archiving it and allowing you to create a new policy to be active)
Voting Structure 
Maybe allow “X” votes per category rather than “X” total votes across the board. To better equalize the vote to policy ratio. And stimulate activity in all categories more evenly.