The exploit was that if you got the event, released the province as a vassal and then gave the province to the Emperor, it was immediately ceded back to you.
If that's what it's referring to then great.
Because the Golden Horde shouldn't be getting to the Adriatic and the Baltic. The Timurids shouldn't be reaching the Red Sea. Lithuania shouldn't be gone by 1410 almost every game. And the nation that replaces them should more often be Russia.
Right, I should have qualified my statement by saying the idea is as it should be. The implementation leaves something to be desired at times. Plus, I was more so replying to sad king billy who who mentioned their implosion as also being part of the problem.