Yeah, but think of all the surprises...
More than you can imagine, we are blind to changes around us.
I think this is one reason why we wonder "why didn't we see X coming". Answer: we don't notice much. In a world of massive change and information about it flowing to us (or inundating us), it may be we need tools like Google to overcome this particular inattention. We only have so much awareness, and it seems modern lifestyles don't enhance that meager talent either. Outsourcing our change-awareness to computers looks like an idea worth investigating, anyway.
On the plus side, I suspect people who can find such ways to counteract their change blindness will reap significant benefits that will seem like luck to those beside them.
PS. We also experience change deafness.
PPS. This also why eyewitnesses are the worst kind of evidence.