I think committing to Biggs is a bit premature... and a leap of logic, based just off the statement something big is coming. Crossing my fingers it is ships.
If it isnt doing what it describes, it is a bug, and you already know this without confirmation. You probably need to confirm HOW it is bugged... Is it a display error with the description, or a bugged mechanic. If/when this gets fixed, HOW it was bugged will determine how it is fixed. Like with all games of this type, I…
Anecdotal, but I have QGJ assisted several times, and his first hit dispels Foresight. If this no longer happens, it was a "general bug fix". I cannot comment on 7* Yoda event, as I am still 2* shy of being eligible.
I also hope there will be other ways to farm Omegas (GW final reward?, Challenge awards? Cantina 7?), but am not holding my breath. They will be the item that defines winners. People that have been farming longer will have an advantage until you can catch up.