Per the article:
Critics say PragerU lessons distort history and facts to serve a conservative worldview. Some scientists have said PragerU videos lack context and downplay climate change as climate alarmism, while the Council on American-Islamic Relations alleges some videos are anti-Muslim. Other complaints center on the nonprofit’s portrayal of slavery.
PragerU is literally paid by billionaires to push their far-right science denial
Here is an article with some good examples of the racist shit PragerU slops around like an incontinent hippo.