That question was asked often about parts of New Orleans after Katrina.
We are drawn to water like moths to light. Commerce and recreation trumps the nature tax which is extracted every hundred years or so.
And how do you explain Mt. Vesuvius on the Mediterranean Sea?
Humans have been taking calculated risks for eons, but nothing explains the Smart Car and the Segway Scooter but shear folly.
Everytime I read one of these stories about shorelines being destroyed all I can think of is this song by Neil Diamond:
There was a flood and many poor men were killed.
And that is why our house is built on the top of a hill.
The plains are like a friend, why can’t we live on them?
And if a flood should come, why can’t we run?
I am the lion, bellowing out in the night