It does a TON for the A-wing, clearly, boosting it right back into elite status.
I agree, and I think this is the real issue here.
The B-Wing will see a minor improvement. You'll see Keyan instead of Ten perhaps, and there's no question that Keyan is a great pilot. But he's still just one pilot and an expensive one at that. He'll suffer the same fate that Wedge does. Sure he's an offensive beast but you have to do something to keep him alive long enough to make use of that offense. Other then that, there doesn't look like much that will really make the B-Wing a much better ship then it already is.
The problem is, the B didn't need any improvements at all in the first place.
The A-Wing on the other hand gets a fairly large boost in usefulness from this pack, a much larger improvement then Interceptors got out of Imp Aces. I'm mostly a rebel player, but Interceptors are my fav Imp ship to fly so I'd like to see them be more popular in the meta. But clearly the Imp Aces pack fell short of doing for them what the Reb Aces pack did for the A's. So hopefully we'll see something at some point that brings Interceptors on par with the A-Wings after Rebel Aces.
I think you point out two issues here.
First, there is no question the RAces does more for the A-wing than the ImpAces did for the Interceptor. I'd like to believe that's not intentional - after all, parents usually make most of their mistakes with their first child, right? They definitely improved the formula a bit, and hopefully that means they'll make it up to the Interceptor with a little something extra down the road, I don't know.
Second, I think this sticks in the craw of a lot of Imperial players simply as salt in the wound. The A-wing getting better treatment than the Interceptor is the wound, and the B-wing, one of the best fighters in the game right now, getting any attention at all rubs salt in it.
The B-wing part I think people are just going to have to get over. Pairing the two new fighters from ROTJ made some thematic sense. Throwing in a repaint of one of the most popular fighters, with a few toys, makes a lot of sense from a marketing perspective. And that's not all bad; as I've said before; the more Aces packs sell, the more inclined they'll be to keep making them. And considering it went Imp, Rebel, it probably doesn't take a mathematician to figure out which faction would be in line for the next bit of TLC.
The B-wing gets a couple good named pilots, but they'll see as much use and dominance as any of the other named pilots do, which is to say some, but hardly overwhelming. I think just the fact it was included in this pack at ALL feels like a slap to Imperial players, simply because, as I keep hearing "the B-wing didn't NEED any help." No it didn't, and honestly it didn't get much help, in terms of the meta, probably because it didn't need it.
The fact that this pack does more for the A-wing than the Imp one did for the Interceptor is a legitimate concern, and it's one that I honestly hope and want to believe will get redressed at some point. I have trouble believing it was so much 'intentional slight' as 'a learning experience' getting the formula right.
Look at it this way - if the B-wing got bundled into this one, who's to say the Imperials don't get another Interceptor or a TIE or something bundled in with the Advanced (god willing) or whatever in their next pack? "Sorry, our bad."
The fact that B-wings were included in this one, on the other hand, people are just going to have to get over. It happened. It does nothing more or less to cement the B-wing as an elite fighter in the game, where it already sat comfortably. This didn't boost it any higher, it didn't knock it down any lower, so people are going to have to just move on. Worry about the injury of the A-wing, but quit paying so much attention to the perceived insult of the B-wing. The B-wing in the pack isn't the problem. The A-wing outshining the Interceptor, is.