Confirmation Bias is at large
And how does anybody know if it is those voting for leave that are searching this? The younger generations whom use the Internet more were the ones who mainly voted to remain.
But even if it is true, then all it means is people are taking an interest in what people are now saying in the face of an elected decision in regards to the events of today. People might not have expected for example that David Cameron may stand down. This article seems to be more confirmation bias than actual information.