Sorry, using a rock and a wooden spear would be a use of technology. I’m willing to bet that Ug the caveman ragged on his kids because they used a spear instead of running the beast to ground and biting it in the neck to kill it.
We humans are tool users.
Technology = tools.
Being able to do math in your head is simply no longer a particularly useful skill. Being able to read will not be all that useful much longer.
Somebody needs to know how to make things work–that’s what geeks get paid for (he says proudly); but that’s no reason that everyone has to know. They (non-geeks) should have better things to do with their time. Then they can pay us to make it work/explain it/fix it.