to be fair, it's worth lambasting them over it because they are perpetuating the myth that AI is bias free (which a lot of people actually do believe!) and putting the weight of mozilla's reputation behind it
Remember when ProPublica claimed that recidivism prediction models were biased against black people? (https://www.propublica.org/article/how-we-analyzed-the-compa...)
They rigged their analysis. There are two different fairness metrics - individual and group-based - that cannot possibly be fulfilled at the same time if there is any difference between the groups. (https://arxiv.org/abs/1609.05807v2)
The model was fair all along according to individual metrics. ProPublica picked their fairness metric so as to make the model appear biased. The whole thing was a lie.
The same is true regarding humans though, so "use a magic ai to avoid bias from humans" still doesn't make any sense.