as you probably know, the US-only event Airborne Challenge (350 battles gets you 10k gold) was cancelled:
So, is this the end?
Q: “Give us such bonus on RU server too!”
A: “For EU and RU servers (each separate) there will be ‘free stuff’ too, when the time is right”
Personally, I just think WG marketing fucked up and decided the event is too good, so they invented “issues” to put it down. Wargaming at its finest.