^ Yeah, which is why i said think not know
And we know
that S31 fell some time before the 25th Century (Leaving 18 or so years to do it)
Ross considered Bacco a person who would be most likely able to deal with them.
most of the "heroes" are aware of S31...
It's reasonable conjecture, plus I'm sure KRAD
made a comment somewhere about the ambiguity of whether Bacco knew about S31 and he wrote