That sounds plausible. There could be some service aggregating search results from multiple systems, and if one of them is slow (maybe breaking some SLA), it wo

That sounds plausible. There could be some service aggregating search results from multiple systems, and if one of them is slow (maybe breaking some SLA), it would be omitted. I guess there are probably a hundred Google employees reading this who know whether it’s accurate and we’re just speculating.