Because they genuinely didn't expect nor wanted her to have the #1 spot so they could presume she, along with her fans would have a meltdown. But the truth of the matter most of us were quite happy regardless of where the album landed, because the sales were so close, and truly exceeded a lot of fans expectations, I mean I only predicted 100-110k and their was multiple people predicting 60-80k
We can celebrate whilst they stay mad