My comment on Generals is still relevant to any other Westwood game - there just aren't enough aircraft to warrant a dedicated anti-air expert in any of the C&C, Red Alert or Dune games. In SWGB, Aircraft play a much larger role and as such a rocket trooper would be too good.
Windu, you are quite right, it doesn't say those things anywhere in the films. But Wookiees are possibly the most written about race in EU, so I don't see much point in contradicting all of that. EU, as dislikable as some of it may be, is still relevant - especially something as widely taken as fact as Wookiee culture.
Besides which, you'd also be making the Wookiees very different to how they appeared in SWGB1, where they had quite good Aircraft and a not so good Navy.