1. Attempt to correct inherent biases in training data and produce diverse output (May sometimes produce results that are geographically or historically unrepresentative) 2. Unfiltered (Warning. Will generate output that reflects biases and inequalities in the training data.)
Default to (1) and surely everybody is happy? It's transparent and clear about what and why it's doing. The default is erring on the side of caution but people can't complain if they can switch it off.