I am not a programmer but your line of argument begged the question, “Are more options better, more efficient/effective, etc. or otherwise desirable?” Sure, if the only criterion you are trying to fulfill is “have as many options and different ways to complete the task at hand as possible,” you are correct that you can emulate a CLI within a GUI so you can accomplish a task both by clicking or typing instead of just typing.

However the parent you are responding to stated that having these additional choices (what he terms as “noise”) is clearly not effective for him so he disagrees with your original premise. Apparently for them “less is more” which is certainly understandable.

every time I hear big balls I just imagine big head from silicon valley

I’d read this webcomic

Epicureanism rejects immortality. It believes in the soul, but suggests that the soul is mortal and material, just like the body. Epicurus rejected any possibility of an afterlife, while still contending that one need not fear death: “Death is nothing to us; for that which is dissolved, is without sensation, and that which lacks sensation is nothing to us.” From this doctrine arose the Epicurean Epitaph: Non fui, fui, non sum, non curo (“I was not; I have been; I am not; I do not mind.”), which is inscribed on the gravestones of his followers and seen on many ancient gravestones of the Roman Empire.

https://en.wikipedia.org/wiki/Epicureanism