Nothing about this makes sense. In what sort of organization could a group of employees ever conclude that could set up far stricter and more demanding standards for groups they disagreed with politically? And apparently a significantly number of employees. Did no one review their work?
The only thing that makes sense is that some higher ups, really higher up, gave their approval to it.
Read Sir Ian Kershaw's biography of Adolf Hitler for an answer. Pay special attention to the concept of "Working Towards the Fuhrer."
...or that it was common knowledge that this type of partisan behavior would be condoned. It is rampant all throughout the Regime- non-Obama supporters get treated differently. Obama uses enough code words and enough inflammatory rhetoric to give everyone the idea of what is expected, even if he and his henchman didn’t say “Do This”.