While open to the possibility of missing something important in the details of her lesson, all this really proves is that white kids watch a lot of white TV.
Not denying that white privilege exists, just that there's no logical sequence in this half-explained article. 

Meanwhile, what Lego character made the teacher pause her lesson?

MEANWHILE, are Lego's actually supposed to be white, or just from Legostania? It's YOUR question after all...