I don't think there's any grand conspiracy against eastern front setups... I just think the options are limited and the planeset full of giant holes. I mean, heck! We had the one setup way back where I-16s were attacking Ju-88s! How's that for crazy! Just sheer luck they could even catch the things, but they must have had alt or position (they nailed a few).
Sometimes they're fun, for sure.... But sometimes there's no making up for a lack of Pe-2, or Tu-2, or Yak-1, or LAG-3... Sometimes the immersion just isn't there, IMO.