>We see ones and zeroes go into our ALU and the result is an operating system. Okay, but WHY? >Or, we see two molecules joining... and the result is a human baby! Okay, but WHY?

Right, but we can answer those questions. We can explain how the high-level OS is written in lower-level primitives, how these correspond to machine instructions, and how those correspond to electrical impulses. You wouldn't say "oh yeah, an OS is just electrical pulses firing, there's nothing you don't already understand here", or "oh, you understand basic organic chemistry, now you understand all animals".

I'm not saying there's anything mystical to it, but there's this great big chunk that we don't understand yet, and saying "oh it's all electrical impulses" doesn't really shed any light on that.