Well, since I got my 'Jumbo' I managed to get into the event... but it's mega powerful enemy tanks that are almost untouchable.
Route selection is paramount, so as not to expose your vehicle, but with the enemies range and killing power, if you have to cross open ground, which sometimes you do, they just sit off in a hull down position and blat anything that comes their way.
Still, not sure what enjoyment they get out of it, as they have an almost guaranteed advantage in each and every game... but then again, I knew that when I went for the American research tree first
And you know what? Being the underdog and having to box clever each and every time I go out to battle, makes it so much more exciting and satisfying when I manage to catch one of those bastages unaware and give him the good news up his Jacksy!