Your FI is most probably right.
Problem is, that if your spoilers are extended, you increase drag, and if you watch your wing once from pax row 40ish, you see how big your spoilers are.
One could argue that you like to have your wing straight and wish to have safety margin against gusts on take of roll. But you will move into territory without protection from certification.
Today's swept wing are not as prone to roll anymore. If you take off on a really gusty crosswind day, you will rather feel the big force of yaw, produced by the crosswind blowing into your huge tail fin. If you remember your sim lessons with engine failure, you see also that this swept wing aircraft is very forgiving (not only because of the wing).
So, cheer up, and enjoy the good handling qualities!
Dani