It happend around june this year. Grind and economy was really bad. People were mad, Gaijin didnt listen and one day they made some PR faux pas, which resulted in review bombing and boycott. And since then… Gaijin actually listened and they fixed the game. Economy is much better, you can even have a bad game on br 8.0 and still have positive income. And amount of exp needed to grind to the top vehicles got halved