If it is from Epic they have their own interests at heart. They want to sell their new engine to as many developers as possible. I would take anything Epic says with a grain of salt. Yes budgets will go up but I highly doubt it will be nearly as much as this generation. The leap from SD to HD was huge asset wise.
Well yes, but they didn't exactly paint it in a way that says "With UE4 you'll be able to cut some of those costs!"