After the recent terrorist attack at London Bridge, safety barriers appeared, as if by magic, on the bridges over the Thames. Protecting pedestrians from vehicles being driven at them, surely that's a good idea, right? I wasn't so sure.
The corollary of constant change is ignorance. ... we computer experts barely know what we are doing.
We function well in a sea of unknowns. Our experience has prepared us to deal with confusion. A programmer who denies this is probably lying, or else is densely unaware of himself.