Actually, they have for a large majority of the population. And fun fact: that debate is still going on, and the Mathematical Association of America (MAA) enacted a rule prohibiting calculator use in AMC.

https://ivyleaguecenter.org/2024/03/12/over-reliance-on-calc...

Math fosters critical thinking, and we've been in a critical thinking deficit for decades and decades. I don't think we can afford to sink even deeper...