My guess is that they knew the caches would get blown out and would have to refill with content from non-blacked out subs, and decided to just take the hit and

My guess is that they knew the caches would get blown out and would have to refill with content from non-blacked out subs, and decided to just take the hit and let it ride, knowing it would recover itself soon enough. I mean, honestly that's probably what I would have done if I were still in charge.