Perhaps, when the carrier comes out, we get to go back in time, and stop a fed carrier from being destroyed
Also, we could see Wesley Die in this Fight
We go back in time to destroy the Carrier.
And by destroying I mean we talk to the Federation Council and tell them "Hey, if we build a weapon purposely built for war and projection of power with little use for anything else, what will people say to our claims tha Starfleet is a peace-keeping organization and we only build ships to defend ourselves and to explore the world? Also, how many of our well-trained Starfleet Academy graduates to you expect to die daily in these weakly-shielded death traps carried by the Carrier if we were ever forced into a conflict using them?" (shows a video of Wesley Crusher manning a Peregrine Fighter and the ship exploding by a stray disruptor blast)
"You make a good point. Let's instead keep building heavily armed cruisers with powerful sensor arrays and lots of internal space to transport goods or personell. And maybe some of those tough little ships, what do we call them again? Ah, Escorts. And some of of those fancy science ships. And I really like to hear about that Personal Shield project again.."