> "We're launching this over the course of this week, so it may take a few days to reach your account."
That's obviously not a technical requirement; they're doing this because they expect a large volume of negative publicity, and temporally staggering this rollout means users are less able to coordinate their social-media outrage.
Same logic Reddit used in phasing out the rollout of their new login wall. One group says "I can't log in!"; the other says, "huh, it works for me?"