I went down this rabbit hole, and if you see the MIT study, its not calculators anymore. Also - which kid (or adult) wants to study instead of just play? Furt

I went down this rabbit hole, and if you see the MIT study, its not calculators anymore. Also - which kid (or adult) wants to study instead of just play? Furthermore, Wikipedia (and calculators) were largely free, nor did they come with a side of white collar work automation.