I am not sure you picked up on what I was asking. Just to make sure:
The rules say that in order for a point defense weapon to engage a capital missile, it must be in a bay of 2 or more (SO pg 97, second column, second paragraph). I checked the errata document and it reinforces this. Aerospace fighters do not use weapon bays (TM pg 195, only small craft and dropships organize weapons into bays). The machine gun array makes them operate very similarly to the weapons bays that other aerospace units use, hence why I wondered if the machine gun array could allow for this.
If, as you say, they don't need to be in bays to affect capital missiles, as per both book and current errata document, will that be reflected in future errata updates?