Looking at the passage from a human "finite" perspective I can understand
what your expressing.
From our "finite" perspective, why do we usually change our mind?
a. It could be because we were wrong.
b. It could be because we were unsure and didn't have all the info.
c. It could be because were just a fickle sort.
So…why did God want to destroy Israel?
Didn't they just see some pretty incredible things.
I mean they saw the plagues in Egypt, the Red Sea parted,
ate bread from Heaven, saw water come from a rock…etc.
and yet here they are making an idol unto themselves.
So we come to this…
a. Was God wrong to be angry with Israel?
b. Did Moses tell God something He didn't already know?
c. Is God fickle?
God is both perfect in mercy and justice right?
It would have been perfect justice to destroy Israel and start over.
It would have been perfect mercy to show His love and to spare them
Think about it like this...
I just like Israel sinned against God.
I like Israel was to receive the penalty of God's wrath.
I like Israel was interceded for.
I like Israel received mercy instead of destruction.
God choose to spare me…to show me mercy.
It wasn't a contradiction...just foreshadowing.
Hope this helps,
When I say... "I am a Christian", I'm not shouting "I'm clean livin."
I'm whispering "I was lost, Now I'm found and forgiven".