Do you have a link?
https://www.gdcvault.com/play/1026277/Beyond-the-Remake-of-Shadow
It's mostly about SotC (really good presentation/talk), but pg29/30 discusses Titanfall with respect to memory management.
Do you have a link?
And swapping engines to Frostbite wouldn't mean creating the game on Frostbite?That's creating games on Frostbite, not swapping engines. If Respawn were to swap from UE4 to FB, what are the gains for the game? Or for Respawn?