It was trained with the dominant ideology of the era, by card-carrying members of that ideology. Academia has long since been infected by it, and the associated pressures on publishing means that the pool of data it uses is not representative of reality.
Otherwise it wouldn't have been so biased, requiring housebreaking before providing anything other than Agenda talking points.
Distortions, layered, are a a poor starting point for what will be the go-to resource - like the next Wikipedia. And just as flawed.