Yes, as much as people complained about the Diamond-Niobium run - nerfing that only shifted the problem somewhere else.
The only real bad part of that run was the OORP shortcut through Chugoku. The use of the s-13 -> NB jump hole could be justified as greedy traders taking a more dangerous road - this led to the Wilde being put either side of the hole, as well as pirates basing out of Yanagi.
For our part - the GMG actually tolerated pirates that werent too brazen. As long as a pirate didnt come over to our trade lanes - they could actually make a good living skimming off the top of the illicit Diamond trade.
Hell we would have fun just sitting back and watching Corsairs and OC duke it out! Dragons would also come in for some fun.