Let's turn to the Rules of Acquisition for elucidation:
Rule # 57. Good customers are as rare as latinum—treasure them.
Political customers included. But is that the only motive?
Rule # 76. Every once in a while, declare peace....it confuses the hell out of your enemies
And confused they are, though the Nagus has also attempted this strategy before. So perhaps it's...
Rule # 177. Know your enemies...but do business with them always.
Ah, yes. Except that invites the scorn of friends. Or at least those willing to criticize a potential source of income. Which leads us to the applicable clause:
Rule # 37. You can always buy back a lost reputation.
Just like you can buy your way into the graces of a politician.
Or in other parlance and to be absolutely clear about what's really going on in here:
Robert Levy of the Cato Institute is polishing the lump of dung that is the Obama-backed gun control bill because it's a personal favor to his longtime customer and pet political project Sen. Patrick Toomey, the bill's sponsor.