As some people mentioned before, it could be used for the creation of a queen facehugger bearing egg instead of that uncreative hormone storm thing.
To be honest, I have nothing against the idea of eggmorphing creating a queen facehugger egg. But I also like the idea of a single drone morphing into a queen, both ideas are just as plausible and interesting in my opinion. I think the franchise needs one of these two ideas to be presented in a movie or one of these new novels. Because we still don't have all the facts for the creation of a queen, though Out of the Shadows and Sea of Sorrows did mention queen facehugger eggs. But the question arises: what if a single drone is isolated somewhere? Can it start a hive by one the previous two methods?
I think it should be able to, because then even a single alien is a great danger if left unsupervised. Why not? When a single alien is away from a Queen it will eggmorph someone to become a queen facehugger egg and a bunch of other people to become normal drone eggs as a type of a guard for the new Queen until she matures and starts laying her own. Then the eggmorphing will stop because the Queens method doesn't waist bodies to become eggs but hosts themselves, severally multiplying the brood.
I think SM proposed this idea and I really like it.