And once people realize that this thing flies like a brick...it turns into another hangar queen. Yes yes, people will still use it, although I'd rather have something that will be more useful. That doesn't mean late war über monster.
Re.2005
Ki-43
Ki-44
B-17F
Mossie Tsetse
P-61
He-111
Ju-188
Ki-84 Otsu
Wellington
J2M
D4Y2
Meteor (debatable)
Whirlwind
Most of these are not the top tier planes in the same category as the La-7, Spit16, 109K4, 190D, P51D, F4U4, and Tempest are in. If they were added, most would have ENY of 10 or higher. And what's more, they'll actually see some use in the MA because they are competent enough to kill other planes. The Hs129 would be killed the moment another plane looked at it. And really, when have you seen a GV battle without some sort of air cover around it? It happens, but too rare to matter.
But whatever, if HTC decides to add the Hs 129, no big deal. Just don't expect it to be the Il-2 with two engines.