The world changes materially. Science makes advances in technology and understanding. But the world of humanity doesn't change.
I was successful materially but I know life is much more than worldly success. I saw all these blessings God had given me. The way to give thanks is obedience to God.
Is there some risk every day we walk out our front door? Every time we get in our car? Yeah. Are we materially less safe now than we were 10 years ago? Whatever delta there is it's very small.
It is only those who have neither fired a shot nor heard the shrieks and groans of the wounded who cry aloud for blood more vengeance more desolation. War is hell.