you should have a basic level of familiarity with the computer you’re using, same as any other tool
Obviously not, they can use it without that understanding just fine for whatever they want to do. That is enough understanding for them. If their computer explodes, they just buy an other one.
The charity did more than some good though.
Also, name one good historical person that didn't do at least some bad.
It is almost like things aren't black and white but more like Yin and Yang.