Yes, this happened, however, I have to say that this musician travels frequently with his $10,000 vintage axe, yet he never invested in an ATA rated flight case for it, and he didn't insure it?
I would not travel with that guitar. I am sorry it suffered damage, but he tempted fate; had it not been the airline, something else was bound to happen eventually. Delta, like United, will eventually pay restitution, but there has to be an element of personal responsibility here as well.
We are currently experiencing some technical difficulties due to reality fluctuations. The elves are working tirelessly to patch the correct version of reality. Activities here have been temporarily disabled since the fundamentals of mathematics, physics and reason may be incomprehensible during this indeterminant period of instability. Normal service will be restored once we are certain as to what 'normal' is.
Save the earth. It's the only planet with dark chocolate, whiskey, and wine.