Wikipedia is not perfectly unbiased, but if you honestly believe it is even comparable to PragerU you should seriously talk to someone about your biases and perception of the world.
There are left-wing equivalents of PragerU (ex: the Gravel Institute) that are just as far away from Wikipedia as PragerU is.
There are left-wing equivalents of PragerU (ex: the Gravel Institute) that are just as far away from Wikipedia as PragerU is.