Wow...I love that this exists. While I would need to check it before reading to a child for bias (Wikipedia's NPOV has been a joke for a long while now) this is an excellent idea for those seeking to both entertain and inform their children.
One of the hardest topics I came across was Mardi Gras. No matter what I did, GPT always wanted to (1) comment on how women like to flash while drunk in the streets and (2) how sternly it disapproved of this practice, violating instructions I had for sexual or vulgar content AND moral prescriptions.