We have changed in some important ways in the last 20 years, and are yet the same in other ways as our nearest primates today and therefore probably our ancestors 2 million years ago.
When we all have smartphones with access to WolframAlpha, do we need to know how to solve equations ourselves, or is it sufficient to just know how to phrase the problem so the software can answer it? Even excluding vegetarians and vegans, who even has access to hogs to butcher them — and given food delivery options, how many need to bother even if they can?